Question

its very urgent. plz answer my question on step by step​

Answer 1

Answer:

$a) {90}^{0} \\ b) {55}^{0}$

Step-by-step explanation:

angle BAC = 90° (angle in a semicircle is always 90°.

angle ACD = 180° - (90°+35). [Angle sum property]

= 180° -125°

= 55°