Chapter 7, 8, 9

What does C represent in the formula:

C = πd

• Pi

• Circumference

• Diameter

• Area

Tags

CCSS.7.G.B.4

What is circumference?

• space inside of a circle

• a set of points equidistant from one another

• distance around a circle

• crosses through the center point across a circle

Tags

CCSS.HSG.C.A.2

The distance from the center of the circle to any point on the circle is called the...

• radius
• diameter
• circumference
• area

The formula for the area of a circle is...

Tags

CCSS.7.G.B.4

What is the length of the radius of the circle?

• 7 cm

• 14 cm

• 3.5 cm

• 49 cm

Tags

CCSS.7.G.B.4

What is the length of the diameter of the circle?

• 3 cm

• 6 cm
• 9 cm

• 12 cm

Tags

CCSS.7.G.B.4

Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s circumference? (C = πd or C = 2πr)

• 10 in
• 2.5 in
• 15.7 in
• 31.4 in 

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 8 meters. What is the window's area? (A = πr²)

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 50.27 m²

Tags

CCSS.7.G.B.4

What is the diameter of a circle if its Circumference is 24π?

• 3.14

• 24

• 12

• 6

Tags

CCSS.7.G.B.4

What is the formula for the area of a parallelogram?

• A = bh

• A = 1/2 bh

• A = 1/2 h (b₁ + b₂)

• A = πr²

Tags

CCSS.6.G.A.1