CPM Homework Help : CCG Problem 10-9

A sector is attached to the side of a parallelogram, as shown in the diagram below. Find the area and perimeter of the figure. Homework Help ✎

Hint:

Find the arc length of the sector to help find the perimeter.

Partial Answer:

arc length $=2(12) \pi \left( \frac{ 1 }{6 } \right) = \frac{24 \pi }{6}$

Perimeter $= 4π + 27 + 12 + 15 ≈ 66.6$