Circumference and Area of a Circle

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

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 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

What is the area of this circle?

• 1385.44
• 2142.12
• 5541.77
• 1289.12

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

What is the diameter?

• Radius = 12.4

  Diameter = 24.8

• Radius = 5.0

  Diameter = 10.0

• Radius = 11.3

  Diameter = 22.6

• Radius = 19.5

  Diameter = 39.0

Which expression could be used to find the approximate circumference of this quilt piece?

• 2π16
• 2π8
• 2(8)
• 2(4)

Tags

CCSS.7.G.B.4

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be?

• 4 in.

• 8 in.

• 12 in.

• 16 in.

An apple pie has an area of 706.5 cm². What is the radius of the pie?

• 225 cm

• 30 cm

• 15 cm

• 112.5 cm

A circle as a circumference of 36π meters. What is the radius of the circle?

• 36 meters

• 6 meters

• 12 meters

• 18 meters

Tags

CCSS.7.G.B.4

A circle has an area of 36π square meters. What is the circumference of the circle?

• 18π

• 12π

• 6π

• 36π