Question

It's urgent. Plz answer the question​

Answer 1

Answer:

a) interior angles of hexagon is 720°

interior angles of square is 360°

interior angles of triangle is 180°

therefore the measure of interior angles of polygon is 720° + 360° + 180° = 1260°

b) angle ABC = 360° - (120° + 90° + 60°)

= 360° - 270°

angle ABC = 90°