Q3W7 Tuesday: intro to circle review

Circumference of a Circle: C = ______ (Provide the formula for the circumference of a circle)

• C = 2r
• C = r^2
• C = 2πr

Find the circumference of a circle with radius 11 meters.

• 22π meters
• 44π meters
• 33π meters
• 55π meters

Area of a Circle: A = ______ (Provide the formula for the area of a circle)

• A = 2πr
• A = r^2
• A = 0.5πr^2
• A = πr^2

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 56.25 ft
• 246 ft
• 365 ft
• 393 ft

Tags

CCSS.7.G.B.4

Find the circumference of the following circle:

• 4π ft

• 16π ft

• 2π ft

• 8π ft

Tags

CCSS.7.G.B.4

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters
• 28.26 meters
• 56.52 meters
• 18 meters

Tags

CCSS.7.G.B.4

What is the area of a circle with a radius of 7 cm?

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 82.13 m²
• 78.50 m²
• 314.16 m²
• 170.12 m²

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

Tags

CCSS.7.G.B.4