Question

I need help with this question!!!!!!

Answer 1

Answer: $87^{\circ}$

Step-by-step explanation:

Because an angle inscribed in a semicircle is a right angle, $\angle B=90^{\circ}$

So, as angles in a triangle add to 180 degrees, $\angle A=180^{\circ}-90^{\circ}-3^{\circ}=\boxed{87^{\circ}}$