AMI Day 6 (3/20/2020) - Area of Circles

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

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

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

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

Find the area of the circle. Use 3.14 for pi.

• 43.96

• 153.86

• 87.82

• 307.72

Find the area of the circle. Use 3.14 for pi.

• 56.52 $in^2$

• 254.34 $in^2$

• 1017.36 $in^2$

• 113.04 $in^2$

what is the area of a circle with the diameter of 10cm ?

• 66 $cm^2$

• 78.5 $cm^2$

• 66.5 $cm^2$

• 10m $cm^2$

Find the area of the circle below.

• 100 $cm^2$

• 225 $cm^2$

• 9 $cm^2$

• 28.26 $cm^2$

What does area mean?

• the distance around a shape

• half the distance around a shape

• the amount of space outside a shape

• the amount of space inside a shape

What does area mean?

• the distance around a shape
• half the distance around a shape
• the amount of space outside a shape
• the amount of space inside a shape

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π

Tags

CCSS.7.G.B.4

Find the area of the semicircle. Round you answer to the nearest hundredth.

• 76.93 $cm^2$

• 19.23 $cm^2$

• 153.86 $cm^2$

• 21.98 $cm^2$