Triangles Help : Videos | Worksheets | Word Problems

Many students find triangles difficult. At TuLyn, we have hundreds of free triangles video tutorials, printable triangles worksheets, and triangles word problems to help you better understand triangles and get better grades.
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Triangles

A triangle is one of the basic shapes of geometry: a polygon with three corners or vertices and three sides or edges which are line segments.

In Euclidean geometry any three non-collinear points determine a unique triangle and a unique plane.

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Many students find triangles difficult. They feel overwhelmed with triangles homework, tests and projects. And it is not always easy to find triangles tutor who is both good and affordable. Now finding triangles help is easy. For your triangles homework, triangles tests, triangles projects, and triangles tutoring needs, TuLyn is a one-stop solution. You can master hundreds of math topics by using TuLyn.

At TuLyn, we have over 2000 math video tutorial clips including triangles videos, triangles practice word problems, triangles questions and answers, and triangles worksheets.

Our triangles videos replace text-based tutorials and give you better step-by-step explanations of triangles. Watch each video repeatedly until you understand how to approach triangles problems and how to solve them.
  • Hundreds of video tutorials on triangles make it easy for you to better understand the concept.
  • Hundreds of word problems on triangles give you all the practice you need.
  • Hundreds of printable worksheets on triangles let you practice what you have learned by watching the video tutorials.
How to do better on triangles: TuLyn makes triangles easy.

Top Triangles Worksheets

See All Triangles Worksheets

curves, plane figures, polygons, right triangles, shapes, triangles, pythagorean theorem, .

Area And Perimeter Of a Right Triangle Video Clip

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Area And Perimeter Of a Right Triangle
Video Clip Length: 4 minutes 45 seconds
Video Clip Views: 4511

This tutorial will show you how to find the perimeter and area of triangle.

area, area of triangles, curves, plane figures, polygons, right triangles, shapes, triangles

Area Of A Triangle Video Clip

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Area Of A Triangle
Video Clip Length: 3 minutes 12 seconds
Video Clip Views: 3820

This tutorial will show you how to find the area of a triangle when given the base and height.  You will be able to determine which is the base, which is the height and what dimensions you will need to find the area. In addtiion, you will learn how to figure how to find the product using  multiplication of a fraction by two other numbers.

area, area of triangles, curves, plane figures, polygons, shapes, triangles

Perimeter Of A Scalene Triangle Video Clip

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Perimeter Of A Scalene Triangle
Video Clip Length: 1 minute 15 seconds
Video Clip Views: 2608

This tutorial will show you how to find the perimeter of the triangle.  You will notice that all we do is add up all the sides to get our perimeter.

curves, perimeter, plane figures, polygons, scalene triangles, shapes, triangles

Right Triangles Video Clip

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Right Triangles
Video Clip Length: 4 minutes 4 seconds
Video Clip Views: 1979

curves, plane figures, polygons, right triangles, shapes, triangles

Area Of A Triangle 2 Video Clip

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Area Of A Triangle 2
Video Clip Length: 2 minutes 60 seconds
Video Clip Views: 1707

This tutorial will be able to show you how to figure out the base and height of a given triangle.  You will also learn how to multiply a fraction by two other numbers.  In addition, you learn how to substitute values and evaluate the formula in finding the area of a triangle.

area, area of triangles, curves, plane figures, polygons, shapes, triangles

Identifying Types Of Triangles By Given Marking And Angles Video Clip

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Identifying Types Of Triangles By Given Marking And Angles
Video Clip Length: 2 minutes 29 seconds
Video Clip Views: 1457

curves, plane figures, polygons, shapes, triangles

Finding The Area Of Triangle Video Clip

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Finding The Area Of Triangle
Video Clip Length: 1 minute 23 seconds
Video Clip Views: 1125

area, curves, plane figures, polygons, shapes, triangles

Perimeter Of An Equilateral Triangle Video Clip

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Perimeter Of An Equilateral Triangle
Video Clip Length: 1 minute 26 seconds
Video Clip Views: 1115

This tutorial will help you find the perimeter of an equilateral triangle.  Knowing that this is an equilateral triangle, you will know that all the sides will be equal, so finding the perimeter will be simply multiplying one side by three or adding the same quantity three times.

curves, equilateral triangles, perimeter, plane figures, polygons, shapes, triangles

Finding The Area Of Triangle 2 Video Clip

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Finding The Area Of Triangle 2
Video Clip Length: 2 minutes 2 seconds
Video Clip Views: 810

area, curves, plane figures, polygons, shapes, triangles

Top Triangles Word Problems

  • A 10 meter ladder is leaning (#759)
    A 10 meter ladder is leaning aganist a b... ...the ladder? Round to the nearest tenth.
    curves, geometric proofs, plane figures, polygons, pythagorean theorem, right triangles, shapes, triangles
  • The hypotenuse of a right triangle (#169)
    The hypotenuse of a right triangle is 2... ...side. Find the length of the hypotenuse.
    curves, hypotenuse, plane figures, polygons, pythagorean theorem, right triangles, shapes, triangles
  • A ladder 39 feet long leans against a building (#1419)
    A ladder 39 feet long leans against a bu... ...gh is the window ledge about the ground?
    cosine, curves, functions, plane figures, polygons, pythagorean theorem, right triangles, shapes, triangles, trigonometric functions
  • A man on a 135-ft vertical cliff looks down (#2873)
    A man on a 135-ft vertical cliff looks d... ...s the friend from the base of the cliff?
    curves, functions, identities, plane figures, polygons, pythagorean theorem, right triangles, shapes, sohcahtoa, triangles, trigonometric functions, trigonometric identities
  • A 32 foot ramp connects a platform with a sidewalk (#2504)
    A 32 foot ramp connects a platform with... ...he base of the platform to the sidewalk?
    curves, number sense, numbers, plane figures, polygons, pythagorean theorem, radicals, right triangles, shapes, triangles

See All Triangles Word Problems

Homework Help Questions

  • What is an isosceles triangle that also an obtuse triangle?
  • ΔWXY is isosceles. WY is 10 centimeters long. Find the length of XZ.
  • Find the perimeter of an equilateral triangle whose height is 18.
  • Why is it called similar triangle?
  • xyz is congruent to pqr. If y=30 and z=100, what is p?
  • The legs of a right triangle are 3 and 8 centimeters long, respectively. What is the length of the hypotenuse?
  • a=8
    c=17
  • A boat has a right triangular sail with two sides that are 18 feet and 15 feet. How long must the third side of the sail be?

Post a homework question on triangles:




Term Comments

Tip: if sine A = cosine B , then the angles are complementary
January 21, 2009, 9:27 pm

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How many legs in total do two chickens, a duck, and a sheep have?


Congruent Triangles

Hundreds of video clips, worksheets, and word problems on congruent triangles.

Similar Triangles

Hundreds of video clips, worksheets, and word problems on similar triangles.

Scalene Triangles

Hundreds of video clips, worksheets, and word problems on scalene triangles.

Equilateral Triangles

Hundreds of video clips, worksheets, and word problems on equilateral triangles.

Right Triangles

Hundreds of video clips, worksheets, and word problems on right triangles.

Transversal Triangles

Hundreds of video clips, worksheets, and word problems on transversal triangles.

Proportional Triangles

Hundreds of video clips, worksheets, and word problems on proportional triangles.

Area of Triangles

Hundreds of video clips, worksheets, and word problems on area of triangles.

Polygons

Watch video clips on polygons, print polygons worksheets, practice polygons word problems.

Shapes

Watch video clips on shapes, print shapes worksheets, practice shapes word problems.

Plane Figures

Watch video clips on plane figures, print plane figures worksheets, practice plane figures word problems.

Triangles Books

The Greedy Triangle (Brainy Day Books)
AnglePlay Blocks: Simple Half-Rectangle Triangles, 84 No-Math Quilt Blocks, Easy-To-Follow Charts
Essential Geometry
Sound Fundamentals: Funtastic Science Activities for Kids (Fundamentals Series)
The Great Polygon Caper (Adventures in Mathopolis)
Plane Trigonometry
Single-Polygon Patterns: Making Tesselations with Triangles, Quadrilaterals, and Hexagons in Google SketchUp 7 (GeomeTricks: Periodic Patterns, Book 1)
Math Made Nice & Easy #6: Oblique Triangles, Vectors, Statics, Vector Applications
Triangles (Shapes in Math, Science and Nature)
by Catherine Sheldrick Ross
60 Degree Shapes with No Math, Quilting 401: How to Measure and Cut 60 Degree Diamonds, 60 Degree Triangles, and Hexagons; Making Six Pointed Stars, T
by Sharon Hultgren, Sharon Holtgren

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Many students find triangles difficult. At TuLyn, we have hundreds of free triangles video tutorials, printable triangles worksheets, and triangles word problems to help you better understand triangles and get better grades.