Question

The side view of a house( The "side elevation") is often in the shape of a pentagon. If the angle at the roof is 150 degrees and there are two other angles of 90 degrees, what is the sum of the measures of the other two angles? Explain ,please! =)

Answer 1

the sum is 180

Explanation:

multiply

Answer 2

Sum of the interior angles of a pentagon is 180(5 - 2) = 180 x 3 = 540 degrees.
Sum of the two angles is 540 - 150 - 90 - 90 = 210 degrees.