Answer:
k = 13.5
Step-by-step explanation:
Setup proportion and solve for k:

What is the shape for your problem?
<span>Animals have an excretory system with a support structure called a skeleton</span>
We can solve by figuring the area of the rectangle then add it to the area of the semicircle.
Area of the rectangle: length · width = 6 · 10 = 60 ft²
Area of the semicircle: (πd²)/8 = (3.14 · 6²)/8 = (3.14 · 36)/8 = 14.13 ft²
Total area of the figure: 60 + 14.13 = 74.13 ft² ≈ 74 ft²
Page 142 #4 round your answer the nearest