M3L18 Area and Circumference of Circles and Partial Circles

Mark created a flower bed that is semicircular in shape. The diameter of the flower bed is 5m.

Approximate $\pi$ to be 3.14.

What is the area of the flower bed?

• 14.8125  $m^2$  

• 12.85  $m^2$  

• 9.8125  $m^2$  

• 7.85  $m^2$  

Find the area of the shaded region. 
Approximate $\pi$ as 3.14.

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Find the area of the shaded region. 
Approximate $\pi$ as 3.14.

• 725.34  $cm^2$  

• 153.86  $cm^2$  

• 181.335  $cm^2$  

Michael wants to create a tile pattern out of three quarter circles for his kitchen backsplash. Find the area of the tile pattern.

Approximate 3.14 for pi.
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The figure shows a circle inside of a square. Find the circumference of the circle. Use 3.14 to approximate for pi.

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The figure shows a circle inside of a square. Find the area of the circle. Use 3.14 to approximate for pi.

• 50.24 $ft^2$

• 200.96 $ft^2$

• 64 $ft^2$

• 157.75 $ft^2$

The figure shows a circle inside of a square. Find the area of the shaded portion. Use 3.14 to approximate for pi.

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