Question

The three angles of a triangle are in the ratio of 6:7: 5. Find them.​

Answer 1

Step-by-step explanation:

6x+7x+5x=180

18x=180

x=180/18

x=10

6x=6*10=60°

7x=7*10=70°

5x=5*10=50°

Answer 2

Step by step explanation

42°+75°+__ = 180°

117°+__= 180°

__=180°-117°

Ans = 63°