Radius, Diameter, & Area of Circles

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.4.G.A.1

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

Is this Radius or Diameter?

• Radius

• Diameter

Tags

CCSS.7.G.B.4

What is the radius?

• 44 ft

• 88 ft

• 22 ft

Tags

CCSS.7.G.B.4

What is the area of a circle?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6

_____________ is half of the diameter

• circumference

• center

• radius

• diameter

Tags

CCSS.HSG.C.A.2

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

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²
• 45.6 cm²
• 50.24 cm²
• 55.9 cm²

Tags

CCSS.7.G.B.4

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

• 63.585 ft²
• 68.345 ft²
• 64.585 ft²
• 61.345 ft²

Tags

CCSS.7.G.B.4

What is the area of this circle? (use 3.14 for π)

• 163.2

• 15.3

• 124.2

• 113.04

Tags

CCSS.7.G.B.4