7.3 Area of Circles Review

What is the area of the yellow?

• 78.5 mi²
• 19.625 mi²
• 39.25 mi²
• 31.4 mi²

Tags

CCSS.HSG.C.B.5

Find the area of the circle with radius 3 cm.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Tags

CCSS.HSG.GMD.A.1

Find the area of the circle.

• 56.52 in squared
• 254.34 in squared
• 1017.36 in squared
• 113.04 in squared

Tags

CCSS.HSG.GMD.A.1

The diameter of the semicircle is 8 cm. Find the area.

• 25.12 cm squared
• 50.24 cm squared 
• 200.96 cm squared
• 100.48 cm squared

Tags

CCSS.HSG.GMD.A.1

What is the area of this circle?

• 1385.74 ft squared

• 2142.12 ft squared

• 5541.77 ft squared

• 1289.12 ft squared

Find the area of the circle

• 43.96 units squared

• 153.86 units squared

• 87.82 units squared

• 307.72 units squared

Here is a new image with a new scale. What is the area of this figure?

• 55.26 cm squared

• 140.04 cm squared

• 125.04 cm squared

• 40.26 cm squared

What is the formula for area of a circle?

• 
  

  $A\ =\ \pi d$

• $A\ =\ 2\pi r$
  

• $A\ =\ \pi r^2$

• $A\ =\ \pi d^2$
  

What is the radius of this circle?

• 12
• 6
• 24

What is the area of this circle?

• 163.2 cm. squared

• 15.14 cm. squared

• 124.2 cm. squared

• 113.04 cm. squared