Measuring Circles Basics

Tags

CCSS.7.G.B.4

A groundskeeper needs grass seed to cover a small circular field, 20 feet in diameter.

 A store sells 10-pound bags of grass seed that cover 200 square feet. 

If the area is 314 square feet, how many bags of see will you need to purchase?

Tags

CCSS.7.G.B.4

If the height is 4, and the length is 10, what is the diameter of each circle?

Tags

CCSS.HSG.GPE.A.1

Jacob is painting a circular picture on his wall.  If the painting has a diameter of 4 ft, how much paint will he need to cover the inside of the circle?  Is this question asking you to find the area, circumference, or neither?

• area

• circumference

• neither

Tags

CCSS.7.G.B.4

Find the circumference.

• None of the above

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 21.98 ft

• 38.47 square ft

• 10.99 ft

• 9.62 square ft

Tags

CCSS.7.G.B.4

Find the area of the circle with radius 3 cm below.

• none of the above

Tags

CCSS.7.G.B.4

What is AB?

• diameter

• center

• circumference

• radius

Determine the radius of the penny.

• 361 mm²

• 38 mm

• 9.5 mm

• 4.4 mm

Tags

CCSS.7.G.B.4

A clock face has a diameter of 10 inches. What is the approximate area of the clock face? Use 3.14 for pi.

Tags

CCSS.7.G.B.4