Answer:
51.89085
Step-by-step explanation:
area = 49pi
150/360 * 49pi = 64.14085
triangle area = 7 * sin(75 degrees) * 7 * cos(75 degrees) = 12.25
==> white region = 64.14085 - 12.25 = 51.89085
D is the answer, just add al the sides (multiply each by two and add them)
18x-60x^5
=18x-<span>777600000x
=-777599982x</span>
6.37864 kilo ... hopefully thats helpful!
