CIRCULAR AREA IN PROBLEMS

Mr. Smith wants to cover his circular pool. If the pool has a diameter of 13 feet how much fabric would he need to cover the pool? (round to the nearest whole number)

• 41 ft²

• 133 ft²

• 250 ft²

• 531 ft²

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

Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the area of her earring (round to the hundreth's place)?

• 9.25 cm²
• 9.62 cm²
• 9.15 cm²
• 9.99 cm²

Tags

CCSS.7.G.B.4

The radius of this pizza is 9 ½ in. What is the approximate area of the pizza?

• 81 in²

• 29.83 in²

• 59 ⅔ in²

• 283 ½ in²

Tags

CCSS.7.G.B.4

Jayson is putting in a new circular shaped fire pit in his backyard. The diameter of the fire pit is 4 feet. What is the area of the fire pit? (Use 3.14 for  $\pi$ ) 

• 12.56 sq ft

• 56.52 sq ft

• 25.12 sq ft

• 3.14 sq ft

Tags

CCSS.7.G.B.4

The area of a circular window is 113.04 square inches. What is the diameter of the​ window? Use 3.14 for π.

• 12

• 72

• 6

• 226

Tags

CCSS.7.G.B.4

A certain coin is a circle with diameter 18 mm. What is the exact area of either face of the​ coin?

• $18\pi$
  

• $81\pi$

• $9\pi$

• $324\pi$

Tags

CCSS.7.G.B.4

The radius of a circular sign is 12 inches. Equal parts of the sign are painted red and yellow. How many square inches are painted each​ color? Use 3.14 for π.

•  $12\pi$ 
  

•  $72\pi$ 

•  $6\pi$ 

•  $144\pi$ 

How many times greater is the area of Circle 1 than the area of Circle 2​? 

• 9

• 3

• 13.5

• 12

Tags

CCSS.7.G.A.1

The circumference of a circular patio is 53.38 feet. What is the area of the​ patio? Use 3.14 for an approximation for π.

• 17

• 8.5

• 72.25

• 226.9

Tags

CCSS.7.G.B.4