Circumference Area Volume

In general, a cardboard fan with a greater area does a better job of moving air and cooling you. The fan shown is a sector of a cardboard circle. Another fan has a radius of 6 centimeters and an intercepted arc of 150°. Which fan does a better job of cooling you?

• The fan shown — it has a larger area.

• The fan shown — it has a smaller area

• The other fan — it has a larger area

• The other fan — it has a smaller area

Tags

HSG.C.B

Which equation show how you would find the circumference of a circle with radius of 13?

• C = π • 13

• C = 2 • π • 13

• C = π • 13/2

Tags

CCSS.7.G.B.4

Which equation shows how you would find the circumference of the circle with a diameter of 9?

• C = π • 9/2

• C = π • 9

• C = 2 • π • 9

Tags

CCSS.7.G.B.4

Filling a box to ship with packing peanuts, requires you to know the . . .

• the surface area of the box

• the radius or diameter of the box

• the volume of the box

A coffee mug has a diameter of 6 inches. What is the radius of the mug?

• 3 inches

• 2 inches

• 12 inches

• 36 inches

Tags

CCSS.7.G.B.4

The radius of a circle in a weather advisory is 4 miles. What is the area of the circle?

• A = π • d

• A = 2 π r

• A = π • r

Tags

CCSS.7.G.B.4

The radius of the weather advisory circle is 5 miles. What is the area of the weather advisory?

• 25 square miles

• 10 square miles

• approximately 75 square miles

• approximately 30 square miles

Tags

CCSS.7.G.B.4

Which ONE formula can be used to find the AREA of the shape?

• A = l • w

• A = 1/2 (bh)

• A = 1/2 (b1 + b2)h

Tags

CCSS.6.G.A.1

Which formula shows how to find the circumference of the circle shown?

• C = 2 π (4)

• C = π (16)

• C = π (4)

• C = π (64)

Tags

CCSS.7.G.B.4

Each time a skateboard wheel spins, it is spinning the . . .

• distance of the area

• distance of the circumference

• distance of the diameter

• distance of the radius