Study Guide Unit 3 Measuring Circles

The circumference of Tyler's bike tire is 72 inches. What

is the diameter of the tire?

• 22

• 23

• 11

• 11.5

Tags

CCSS.7.G.B.4

Circle A has a diameter of 8 cm. Circle B has a radius of 6 cm. Which circle has the larger circumference?

• Circle A

• Circle B

Tags

CCSS.7.G.B.4

Circle A has a diameter of 8 cm. Circle B has a radius of 6 cm. About how many centimeters larger is it?

• 25.12

• 37.68

• 12.56

• 2

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6

The wheels on Kiran's bike are 84 inches in circumference. About how many times do the wheels rotate if Kiran rides 300 yards?

1 yard = 36 inches

• 3.5 rotations

• 10,800 rotations

• 25,200 rotations

• 129 rotations

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

Find the perimeter of the shape.

Select all the expressions that correctly calculate the perimeter of the shape.

a.) 2 + 2 + 2(2π)

b.) 4 + 4π

c.) 4 + 2(4π)

d.) 2 + 2 + 8π

• a

• b

• c

• a, b

• a, c

Tags

CCSS.7.EE.A.2

CCSS.7.G.B.4

Find the perimeter of the shape.

• 65.4 cm

• 248.5 cm

• 75.4 cm

• 198.09 cm

Tags

CCSS.6.G.A.3

When would π be the circumference of a circle?

• When the radius is 2.

• When the diameter is 1.

• Never, the circumference is the distance around the circle.

• When the radius 1.

Tags

CCSS.7.G.B.4

Is the relationship between diameter and area of a circle proportional?

• yes

• no

Tags

CCSS.7.G.B.4

CCSS.7.RP.A.2

Is the relationship between diameter and circumference of a circle proportional?

• yes

• no

Tags

CCSS.7.G.B.4

CCSS.7.RP.A.2

1. When would π be the area of a circle?

• When the radius is 0.5

• When the diameter is 1.

• When the diameter is 2

• Never

Tags

CCSS.7.G.B.4