Composite Area and perimeter, Circumference and Area Review

Ruby is decorating for a party and needs 120 meters of ribbon. At the party supply store, the ribbon is sold in rolls. Each roll contains 25 feet of ribbon. How many rolls will Ruby need to purchase? (1 meter is approximately 39.37 inches)

• 16 rolls

• 14 rolls

• 12 rolls

• 10 rolls

Tags

CCSS.5.MD.A.1

Jimmy wants to serve iced tea at his birthday party. He purchases 14 containers filled with 1.5 liters of tea. Approximately how gallons of tea did he purchase? (1 gallon is about 3.8 liters)

• 5.5 gallons

• 21 gallons

• 79.8 gallons

• 8.7 gallons

Tags

CCSS.5.MD.A.1

How does the measure of the diameter of a circle compare to the measure of the circumference of the circle?

• The diameter is about the $\frac{1}{3}$ measure of the circumference.

• The diameter is about $\frac{1}{2}$ the measure of the circumference.

• The diameter is about two times the measure of the circumference.

• The diameter is about three times the measure of the circumference.

Tags

CCSS.7.G.B.4

Find the diameter of the circular garden whose circumference is 124.03 cm.

• 19.75 cm

• 39.5 cm

• 29.5 cm

• 39.75 cm

Tags

CCSS.7.G.B.4

Which expression represents the area of the circle shown above?

• $7\pi$ square centimeters
  

• $14\pi$ square centimeters

• $49\pi$ square centimeters

• $196\pi$ square centimeters

Tags

CCSS.7.G.B.4

A circle with Radius r is divided into 8 congruent sections. The 8 sections are arranged as shown above, with l representing the length of the segments and w representing the width of the segments. The circle is then divided into 16 congruent sections, and the sections are arranged as shown. As the circle is divided into more and more congruent sections, which statement is true?

• The length gets closer to $\pi$ , and the width gets closer to $r^2$ .

• The length gets closer to $\pi r$ , and the width gets closer to r.

• The length gets closer to $2\pi r$ , and the width gets closer to r.

• The length gets closer to $\pi r$ , and the width gets closer to 2r.

Tags

CCSS.7.G.B.4

The Barber's have a circular flowerbed in their front yard. The want to put fertilizer on half of the flowerbed. The flowerbed has a circumference of 8.5 feet. One bag of fertilizer will cover 6 square feet. How many bags of fertilizer will they need to cover half of the flowerbed?

• 5

• 10

• 28

• 56

Tags

CCSS.7.G.B.4

Mrs. Smith wants to purchase table pads for her circular dining room table. If the table has a diameter of 3 feet and the pads cost 50 cents per square foot, approximately how much will the table pads cost? Use 3.14 for

 $\pi$  .

• $14.00

• $14.13

• $4.71

• $3.53

Tags

CCSS.7.G.B.4

Sienna is making a design with tiles. If each tile represents 4 square inches, what would be the area of the design?

• 92 in.²

• 128 in.²

• 256 in.²

• 512 in.²

A surveyor has been asked by the county to determine the area of the piece of land. The surveyor recorded a diagram and his measurements as shown above. Based on the diagram, which measure is closest to the area, to the nearest hundredth of a square foot, of the piece of land that the surveyor reported to the county?

• 3,420.48 ft²

• 3,846.88 ft²

• 4,262.88 ft²

• 4,689.28 ft²

Tags

CCSS.6.G.A.1