6.7.8 - Area of Circles - PROOF

What does A represent in the formula:

A = π·r²

• Area

• Radius

• Pi

• Diameter

What does r represent in the formula:

A = π·r²

• circumference

• radius

• diameter

• squared

What is the area of a circle?

• halfway through a circle

• a line through the center of a circle

• the amount of space inside of the circle

• the distance around a circle

What is the formula for finding the area of a circle?

• A = π·d

• C = 2·π·r

• A = π·r²

• C = π·d

find the area of the circle with radius 3 cm below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

What is the area of this circle?

• 50.27
• 78.23
• 98.12
• 201.06

Find the area.

Find the area.

Find the area.