M3L18 Area and Circumference of Circles and Partial Circles

Tags

CCSS.HSG.C.B.5

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  $m^2$  

Tags

CCSS.7.G.B.4

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

**do not put labels in your answer**

(a)  

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.
***do not use labels in your answer**

(a)  

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

***do NOT put labels in your answer***

(a)  

Tags

CCSS.7.G.B.4

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 $ft^2$

Tags

CCSS.7.G.B.4

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

***do NOT use labels in your answer***

(a)