Question

Prove that sum of the angle of a triangle is 180° Also find the angles of a triangle if they are in the ratio 3:7:8​

Answer 1

Answer

taxo

06.06.2017

Math

Primary School

+5 pts

Answered

Prove that the sum of all angles of a triangle is 180 . Also, find the angles of a triangle if they are in ratio 5:

Answer

3.7/5

32

kpathak4721

Ambitious

15 answers

1.4K people helped

let the angles is x

by angle sum property

5x+6x+7x = 180°

18x = 180°

x = 180°÷18

x = 10°

since x =10°

5x = 50°

6x = 60°

7x = 70°

when we add all the angles

50°+60°+70° = 180°

Answer 2

Let the angles be 3x,7x,8x
Therefore 3x+7x+8x =180
18 x=180
X=10
So angles are 30,70,80 degrees