Geometry: Unit 4 Final Assessment

find the diameter of the circle

• 14 m

• 7 m

• 14

• 3.5 m

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

What is the radius of this circle?

• 12cm
• 6cm
• 24cm
• 3cm

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

What is the formula for circumference of a circle given the diameter?

• C = π r
• C = 2 π r
• C = π d
• C = 2 π d

What does r represent in the formula:

A = π·r²

• circumference

• radius

• diameter

• squared

What is the symbol for pi?

• #

• π

• &

• %

what is this shape called

• circle

• semi circle

• moon

• triangle