Question

pleease help me answer this question

Answer 1

Answer:

BDA = 90 degrees

Step-by-step explanation:

Answer 2

Answer:

Angle BDA is 90°

$(2x + 3) + 55 = 90 \\ 2x + 3 + 55 = 90 \\ 2x + 58 = 90 \\ 2x = 90 - 58 \\ 2x = 32 \\ x = \frac{32}{2} \\ \boxed{x = 16}$

Hence,

x=16

Angle BDA is 90°.