Question

Pls help with these two equations. Pls

Answer 1

11. x = 16

12. x = 26

Explanation:

11. ∠1 + ∠2 = 90°

∠1 = 42°

∠2 = 90° - 42° = 48°

3x = 48

x = 16

12. ∠C + ∠D = 180°

∠C = 128°

∠D = 180° - 128° = 52°

2x = 52

x = 26