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OLga [1]
2 years ago
13

Find the Area of the figure below, composed of a rectangle and a semicircle. Round to the nearest tenth place.

Mathematics
1 answer:
kap26 [50]2 years ago
8 0

Answer: 68.1

Step-by-step explanation:

The area of a semi-circle is 1/2 the area of a full circle. The area of a full circle is pi*r^2. Therefore, the area of a semi-circle is:

Area=\pi r^2/2

Area=\pi (3)^2/2=9\pi /2

The area of a rectangle is the length multiplied by the width:

Area=l*w

Area=6*9=54

The net area is the sum of the rectangle and the semi-circle:

Area=(9\pi /2)+(54)=68.1

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