Circumference and Area of Circle 22/7 for Pi

Find the area of the circle

• 56.52 in²

• 254.34  in²

• 1017.36  in²

• 113.04  in²

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters

Find the area, in "in terms of pi" of a circle with a RADIUS of 11 inches.

• 11π inches²

• 22π inches²

• 44π inches²

• 121π inches²

What is the radius of this circle?

• 20 in

• 10 in

• 40 in

• 10 in²

What is the area of this circle?

• 1256.64 in²

• 31.41 in²

• 314.16 in²

• 123.12 in²

What is the radius of this circle?

• 140 mi

• 35 mi

• 70 mi

• 70 mi²

What is the formula for area of a circle?

• A = pi x D

• A = 2pi x r

• A = pi x r²

• A = pi x d²

Find the circumference of a circle with a diameter of 11 millimeters.

• 34.6 mm

• 30 mm

• 25.3 mm

• 34.54 cm

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 

• 9.42 m

• 12 m

• 18.84 m

What is the diameter?

• 8

• 16

• 10

• 4