Question

In the figure shown, which pair of angles must be supplementary?

(A) ∠AXY​ and ∠YXB
(B) ∠DXA​ and ∠AXY
(C) ∠DXC and ∠CXB
(D) ∠YXB​ and ​∠CXB

Answer 1

The person above is correct, the answer is C
:)

Answer 2

Answer: C

Exp:

∠DXC = 90°
∠CXB = 90°
supplementary = 180°
90+90= 180