12.1 - 12.3 Practice

What is the radius of this circle?

• 18
• 10
• 9
• 8

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

The radius is....

• a line that crosses through the center and touches each edge 
• the center point of a circle 
• a line from the center point to the edge of the circle
• an element in science

A line that goes from one end of the circle to the other and crosses the center point.  

• center
• diameter
• dime eater
• radius

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft
• 42 ft
• 65.94 ft
• 131.95 ft

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm
• 18.84mm
• 78.5mm
• none of the above

Tags

CCSS.7.G.B.4

 What is the area of the figure?

• 48 ft2
• 216 ft2
• 65 ft2
• 128 ft2

What is the area of the composite figure?

• 54 cm2
• 45 cm2
• 63 cm2
• 36 cm2