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

1 answer:

3 0

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, $\angle A=180^{\circ}-90^{\circ}-3^{\circ}=\boxed{87^{\circ}}$

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