Geometry: Triangles Help

This page is for geometry students who need help, and for teachers and tutors who are looking for resources on triangles.

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Geometry: 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.
 
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.

Do you need help with Congruent Triangles in your Geometry class?
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Do you need help with Equilateral Triangles in your Geometry class?
Do you need help with Right Triangles in your Geometry class?
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Do you need help with Proportional Triangles in your Geometry class?
Do you need help with Area of Triangles in your Geometry class?

Geometry: Triangles Videos

Area And Perimeter Of a Right Triangle
Video Clip Length: 4 minutes 45 seconds
Video Clip Views: 24625

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 Length: 3 minutes 12 seconds
Video Clip Views: 21961

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 Length: 1 minute 15 seconds
Video Clip Views: 17633

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
See All Triangles Video Tutorials

Geometry: Triangles Worksheets

See All Triangles Worksheets

Geometry: Triangles Word Problems

A 10 meter ladder is leaning
A 10 meter ladder is leaning aganist a building. The bottom of the ladder is 5 meters from the building. How many meters high is the top of the ...
A man on a 135-ft vertical cliff looks down
A man on a 135-ft vertical cliff looks down at an angle of 16 degrees and sees his friend. How far away is the man from his ...
A ladder 39 feet long leans against a building
A ladder 39 feet long leans against a building and reaches the ledge of a window. If the foot of the ladder is 15 feet from the foot of the ...
See All Triangles Worksheets

Geometry: Triangles Practice Questions

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

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

How Others Use Our Site

Taking g.e.d and having trouble doing math word problems relating to triangles and when teachers show me i seem to forget and get very frustrated past all test but haven`t taken math test yet but soon want this bad so i can graduate with class please help me to understand how to do this kinds of word problems when i read them they don`t make sense.
Right Triangles.

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This Geometry page lists video tutorials, worksheets and word problems on triangles topic.