Loading...

Lesson: Geometry - 10

Triangles: Lengths of Sides

[Page 10 of 30]

In an equilateral triangle, all three sides are the same length. In an isosceles triangle, two sides are the same length. An isosceles triangle may be right, obtuse, or acute. In a scalene triangle, none of the sides are the same length. A scalene triangle may be right, obtuse, or acute.

Any side of a triangle cannot be shorter than the difference of the other two sides.

This means that if you subtract the length of any one side from another side, the third side will have to be at least as long as this difference. You can see this yourself by drawing some triangles. Try to make this rule not true — you can't do it!

Any side of a triangle cannot be longer than the sum of the other two sides.

If you add any two sides together, the third side will have to be less than that sum.

Example

Next to display next topic in the chapter.

Test Prep Lessons With Video Lessons and Explained MCQ

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

More for You
All in this Category

You may be interested in

Colleges in Sahiwal

A comprehensive list of major colle ...

Overseas Pakistanis Foundation Boys College

A chain of colleges by Overseas Pak ...

Secrets of Personality Development

Learn about the Secrets of Personal ...

Study in Pakistan

Have an opportunity to study in an ...

ISSB Tests

How to deal with ISSB Recruitment t ...

PPSC - Civil Judge cum Judicial Magistrate

Learn what is PPSC - Civil Judge cu ...

Khyber Girls Medical College

Khyber Girls Medical College is pop ...

Universities in sindh

A comprehensive list of universitie ...