Area/Circumference

find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.27 cm

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

• center
• diameter
• dime eater
• radius

Which BEST describes segment AB?

• chord
• secant
• tangent
• diameter

What formula is this used for:
πr²

• Circumference 
• Area
• Surface Area
• Volume

Radius 6 cm
What is the diameter? 

• 36 cm
• 12 cm
• 6 cm
• 3 cm 

what is the circumference of this circle ?

• 3.14 cm

• 37.699 cm

• 24 cm

• 68.4 cm

What does area mean?

• the distance around a shape

• half the distance around a shape

• the amount of space outside a shape

• the amount of space inside a shape

What is the formula for CIRCUMFERENCE of a circle?

• C=πd

• C=πd²

• A=πr²

• C=πβγΔ

What is the formula for area of a circle?

• C=πd
• C=πd²
• A=πr²
• A= C/d

What is Circumference?

• π
• The distance around the outside of a circle
• The amount of space on the inside of a circle