Circumference and Area of Circles Practice

find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

Tags

CCSS.7.G.B.4

The distance all the way around the circle is called the...

• radius

• diameter

• circumference

• area

The space contained inside of a circle is called the...

• radius

• diameter

• circumference

• area

If you multiply π × d then you will get the...

• radius

• diameter

• circumference

• area

Tags

CCSS.7.G.B.4

A circular swimming pool has a radius of 15 feet. The family that owns the pool wants to put up a circular fence that is 5 feet away from the pool at all points. Which is closet to the circumference of the fence they will need?

• 94.2 ft

• 125.6 ft

• 157 ft

• 188.4 ft

Tags

CCSS.7.G.B.4

Randy's bicycle tires have a diameter of 42 centimeters. Which is closest to the circumference of one of the tires?

• 65.94 cm

• 87.14 cm

• 131.88 cm

• 441 cm

Tags

CCSS.7.G.B.4

A rose garden is circular. The diameter of the garden is 18 ft. Which is the closest to the total area?

• 56.52 ft²

• 63.59 ft²

• 113.04 ft²

• 254.34 ft²

Tags

CCSS.7.G.B.4

Lana is putting lace trim around the border of a circular tablecloth. The table cloth has a diameter of 1.2 meters. To the nearest meter, what is the least amount of lace she needs?

• 3 m

• 4 m

• 7 m

• 8 m

Tags

CCSS.7.G.B.4

Pete needs to install a circular window with a radius of 7.25 inches. Which is closest to the amount of glass he will need?

• 22.77 in²

• 41.26 in²

• 45.53 in²

• 165.05 in²

Tags

CCSS.7.G.B.4

At Palermo Pizzeria pizzas are sold by their diameter. Rihanna orders a 14-inch pizza. Which is the closest to the area of the pizza?

• 21.98 in²

• 43.96 in²

• 153.86 in²

• 307.72 in²

Tags

CCSS.7.G.B.4