Question

what is the measure of A rounded to the nearest whole number ? Thanks in advance

Answer 1

A=62 degrees

A= tan^-1(15/8)

tan=(opp/adj)

Answer 2

Use the trigonometric function:

$\tan(\angle A)=\dfrac{15}{8}\\\\\tan(\angle A)=1.875\to m\angle A\approx62^o$

Answer: 62 degrees