Question

I NEED THE ANSWER FOR JUST NUMBER 5 PLEASE

Answer 1

126

Explanation:

∠S : ∠T = 7:3

∠S = 7x

∠T = 3x

∠S + ∠T = 180 {Supplementary angles}

7x + 3x = 180

10x = 180

Divide both sides by 10

x = 180/10

x = 18

∠S = 7x = 7*18 = 126°