Area of Circles and Partial Circles

Mark created a flower bed that is semicircular in shape. The diameter of the flower bed is 5m. Approximate π to be 3.14. What is the area of the flower bed?

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.

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area? (a)  

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.26 m2

Tags

CCSS.7.G.B.4

Match the following definitions to the terms:

• feet, cm, inches

• Area of a circle

• How much space a circle takes up

• Units of area

• The distance around a circle

• square units (units²)

• Circumference of a circle

• Units of circumference

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)  

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)  

Tags

CCSS.7.G.B.4

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

Tags

CCSS.3.MD.D.8