Question

On a piece of paper, use a protractor and a ruler to construct triangle ABCABC with ABAB = 8 cm, m∠Am∠A = 90°90° , and m∠Bm∠B = 45°45° . What is the measure of ACAC ?

Answer 1

∠B = 45°
∠A = 90°
so
∠C = 45° = ∠B
and
AB = AC = 8
answer
AC = 8 cm