A carpenter designs an A-frame chalkboard. Its support bars form the legs of an isosceles triangle.

Question

asked Jul 23, 2020 221k views

1 Answer

Riskhan · Answer 1 · 2020-07-28T12:25:06+0000

angle for triangle is 180°

angle ACB is 75° because it has mention that is an isosceles triangle

So that angle of BAC is 180°-75°-75°=30°