A rectangle is placed around a semicircle as shown below. The length of the rectangle is 6cm . Find the area of the shaded regio
n. Use the value 3.14 for π , and do not round your answer. Be sure to include the correct unit in your answer.
1 answer:
The shaded area is the area of the rectangle minus the area of the hemisphere.
A=(6*3)-(π3^2)/2
A=18-9π/2
A=18-4.5π, and if we approximate π≈3.14
A=18-4.5(3.14)
A=18-14.13
A=3.87 cm^2
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