Answer:
x = 90°
y = 43°
Step-by-step explanation:
ΔBAD ≅ ΔCAD [due to side-angle-side[
we know the m∡A + m∡B + m∡C = 180
∡A = y+y or 2y
∡B = ∡C [corresponding parts of congruent triangles are congruent]
2y + 47 + 47 = 180
2y + 94 = 180
2y = 86
y = 43
47 + 43 + x = 180
90 + x = 180
x = 90
