Circles

The definition of a circle is

• set of all points in a plain that are the same distance from a point called the center

• the distance around a share

• a large figure

• a pizza, orange, plum, or watermelon

The definition of radius is

• distance from one point to another point

• distance around the circle

• distance from the center to any point on the circle

• distance across the circle through the center

The definition of diameter is

• distance from the center of any point on the circle

• distance across the circle through the center

• distance from one point to another

• distance around the circle

The definition of circumference is

• distance from the center of any point on the circle

• distance from one point to another

• distance around the circle

• distance from the center of any point on the circle

Find the radius of the circle

• 20 ft

• 10 ft

• 5.5 ft

• 10

find the diameter of the circle

• 14 m

• 7 m

• 14

• 3.5 m

what is the formula for finding area of a circle

• C = π r²

• A = π r²

• A = π r² / 2

• C = 2 π r

what is the formula for finding the area of a semi-circle

• A = π r²

• C = π r²

• A = π r² / 2

• A = 2 π r

What is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm
• 43.96 cm
• 87.96 cm
• 7 cm