Question

one angle of a t triangle is 60° the other two angles are in the ratio of 5 : 7 find the two angles ?​

Answer 1

let the required angle be 5x and 7x

60+5x+7x=180 degree (angle sum property)

60+12x=180

12x=180-60

x=120/12

x=10 degree

5x=5×10=50 degree

7x=7×10=70 degree