6th Grade--Lessons 39 & 40

If my diameter is 19 inches, what is my radius?

• 38 inches

• 9.5 inches

• 59.66 inches

• 119.32 inches

If my radius is 10ft, what is my diameter?

• 20ft

• 5ft

• 31.4ft

• 62.8ft

what is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm

• 18.84mm

• 78.5mm

• none of the above

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

The diameter of a circle is:

• The measurement around the circle.

• The distance from an edge of a circle to another edge.

• The distance from the center of the circle to an edge of a circle

• The distance from an edge of a circle to another edge through the center. 

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 56.25 ft

• 246.2 ft

• 365.56 ft

• 392.5 ft

The diameter of a circle is 3 centimeters. What is the circumference?

• 11.5cm

• 9.42 cm

• unicorns are narwahls

• 45.3 cm