Area & Circumference

What does area mean?

• the distance around a shape

• the amount of space outside a shape

• half the distance around a shape

• the amount of space inside a shape

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

Formula: A = πr²

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

Tags

CCSS.7.G.B.4

Name the line show.

• Secant

• Diameter

• Radius

• Chord

Tags

CCSS.HSG.C.A.2

What is the formula for CIRCUMFERENCE of a circle?

• C=πd

• C=πd²

• A=πr²

• C=πβγΔ

Tags

CCSS.7.G.B.4

What is the formula for area of a circle?

• C=πd
• C=πd²
• A=πr²
• A= C/d

Tags

CCSS.7.G.B.4

What is Circumference?

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

What is the area of the circle?

Formula: πr²

• 15.7 cm²
• 78.5 cm²
• 31.4 cm²
• 5 cm²

Tags

CCSS.7.G.B.4

What is the circumference of the circle?

Formula: πd

• 25.12 in.
• 12.56 in.
• 50.24 in.

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18
• 36
• 9
• 8

Tags

CCSS.7.G.B.4

_diameter?

• 5 in
• 10 in
• 3.14 in
• 2.5

Tags

CCSS.7.G.B.4