Question

In triangle ABC, right-angled at B, BC =16 cm
and angle ACB=3/4; calculate the measure of
AB and AC.

Answer 1

Answer:

More commonly the set square bears the markings of a ruler and a half circle protractor. The outer edges are typically bevelled. These set squares come in two usual forms, both right triangles: one with 90-45-45 degree angles, the other with 30-60-90 degree angles.