Complementary equal 90 degrees.
90-47=43 degrees
Supplementary equal 180 degrees.
180-47=133 degrees
A
2nd line:
output y=0, ordered pair (0, 0)
Surface area = area of 2 triangular sides + area of the roof + area of the base.
= 2 * 1/2 * 6 * 4 + 2 * 5*7 + 6 * 7
= 24 + 70 + 42
= 136 units^2
