Story Problems Area of Circles

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

This crop circle has a diameter of 118 ft. What is the approximate area of the crop circle?

• 370.5 ft²

• 43,721.4 ft²

• 10,930.34 ft²

• 185.26 ft²

Jalen skates at a circular rink that has a radius of 4 yards. If he uses 3.14 for \pi, what area would he estimate for the skating rink?

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.26 m²

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area? (a)  

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.26 m2

Using your previous two answers, how many more square feet will the larger fountain occupy?

• 549.5 square feet

• 193.48 square feet

• 314.85 square feet

• 53.38 square feet

How many cookies are there?

• 48 cookies

• 24 cookies

• 8 cookies

• 4 cookies

Two different circular fountains are

being considered for an outdoor patio.

How many square feet will the smaller fountain occupy?

• 803.84 sqaure feet

• 200.96 square feet

• 50.24 square feet

A baker is making a giant pizza with a diameter of 42 inches. a large jar of tomato sauce can cover 90 square inches of pizza. How many jars of tomato sauce does the baker need to buy to cover all the pizza?

Mathematical Equivalence

ON

Two different circular fountains are

being considered for an outdoor patio.

How many square feet will the bigger fountain occupy?

• 254.34 square feet

• 28.26 square feet