Triangle 7th B Tarn Taran(b) Tarn Taran

Construction & Properties of Triangle School Name:- Govt. Sec. School(Boys) Tran Taran Students Name:3. Sajjan Singh 4. Arshdeep Singh 5. Lavejeet Singh Class:- 7th B

INTRODUCTION

A

triangle is a polygon with 3 sides.  Every triangle has three sides and three angles, some of which may be the same.

TYPES OF TRIANGLES 1. 2. 3. 4. 5.

ACUTE TRIANGLE EQUILATERAL TRIANGLE ISOSCELES TRIANGLE ISOSCELES RIGHT TRIANGLE RIGHT TRIANGLE

ACUTE TRIANGLE  

A triangle is acute if all three of its angles are acute. An angle A is acute if 0° < A < 90°

EQUILATERAL TRIANGLE



Triangle is equilateral if all three sides are equal.

ISOSCELES TRIANGLE 

A triangle is isosceles if two sides are equal.

ISOSCELES RIGHT TRIANGLE 

Isosceles triangle with one angle of 90° is a isosceles right triangle.

RIGHT TRIANGLE 

Triangle with a one angle of 90° is a rt. Angled triangle.

REFERENCES  Microsoft

Encarta 2005