Area Circles, Parallelograms, Tri

The formula for the area of a circle is...

I can calculate the area of a circle given its radius or diameter.

What is the area of the circle shown? Round your answer to the nearest tenth.

I can calculate the area of a circle given its radius or diameter.

What is the area of the circle shown? Round your answer to the nearest tenth.

What is circumference?

• space inside of a circle

• a set of points equidistant from one another

• distance around a circle

• crosses through the center point across a circle

Could the following dimensions exist for a circle? Radius=8 and Diameter=12

• Yes

• No

Find the circumference of the circle

• 21.98

• 153.86

• 43.96

• 615.44

A ball has a circumference of 9.42 cm. What is the diameter?

• 29.5788 cm

• 59.1576 cm

• 3 cm

• 1.5 cm

What is the area of the rectangle?

• 15 sq cm

• 15 cm

• 2 

• 16 cm

What is the area of a square with a length of 4 cm?

• 16 cm

• 16 square cm

• 8 cm

• 8 square cm