ENL Math GA #18 Area and Circumference of a Circle

what is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

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

• 37.68mm
• 18.84mm
• 78.5mm
• none of the above

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

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

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

• 11.5cm2
• 9.42 cm2
• unicorns are awsome
• 45.3 cm2

Diameter 14 inches
Find the area of a circle.

• 615.44 in²
• 153.86 in²
• 43.96 in²
• 87.92 in²

Radius 5 in
Find the area of the circle.

• 15.7 inches²
• 31.4 inches²
• 314 inches²
• 78.5 inches²

Diameter 13.5 in
Find the circumference of the circle.

• 84.79 in
• 42.39 in
• 21.195 in
• 572.265 in 

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

• 34.6 mm
• 30 mm
• 25.3 mm
• 34.54 mm

What is the area of the circle shown?

• 113.04

• 103.48

• 123.8

• 135.04