Area of a Circle

What is the meaning of the mathematical term: area?

•  amount of space inside a shape

• a line segment from the center of a circle to the edge

• an arithmetic operator that signifies multiplying a number by itself

• 𝝅 (approximately 3.14)

In order to use the formula for the area of a circle, you need to identify the ____ of the circle.

• diameter

• circumference

• center

• radius

Tags

CCSS.7.G.B.4

What is the meaning of the mathematical term: radius?

•  amount of space inside a shape

• a line segment from the center of a circle to the edge

• an arithmetic operator that signifies multiplying a number by itself

• 𝝅 (approximately 3.14)

Tags

CCSS.HSG.C.A.2

What is the radius of the circle in the picture?

• 12

• 6

• 24

• 144

Tags

CCSS.7.G.B.4

What's the radius of the circle in the picture?

• 8

• 16

• 4

• 64

Tags

CCSS.7.G.B.4

What is the meaning of the mathematical term: pi?

•  amount of space inside a shape

• a line segment from the center of a circle to the edge

• an arithmetic operator that signifies multiplying a number by itself

• 𝝅 (approximately 3.14)

Tags

CCSS.HSG.GMD.A.1

What is the meaning of the mathematical term: squared?

•  amount of space inside a shape

• a line segment from the center of a circle to the edge

• an arithmetic operator that signifies multiplying a number by itself

• 𝝅 (approximately 3.14)

Tags

CCSS.6.G.A.4

When you're using the formula to find the area of a circle, the first step after finding the radius is to ____.

• multiply the radius by pi

• square the radius

Tags

CCSS.7.G.B.4

Which formula would you use to find the area of the circle pictured?

Tags

CCSS.7.G.B.4

What's the approximate area of the circle pictured?

• 21.98

•  483.12

• 43.96 

• 153.86 

Tags

CCSS.7.G.B.4