Question

Which value of x will make AB←→
perpendicular to CD←→?

Answer 1

Explanation:

m∠CGE = m∠FGD = (2x + 4)° [vertically opposite angles]

If m∠BGC = 90° Or AB⊥CD,

m∠CGE + m∠EGB = 90°

(2x + 4)° + (11x - 5)° = 90°

13x - 1 = 90

13x = 91

x = 7