Area of Circles

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

The radius is....

• a line that crosses through the center and touches each edge 
• the center point of a circle 
• a line from the center point to the edge of the circle
• an element in science

A line that goes from one end of the circle to the other and crosses the center point.  

• center
• diameter
• dime eater
• radius

What is the area of this circle?

• 6082.12
• 1520.53
• 1893.14
• 1292.92

If the diameter of a circle is 50 yards, the radius is _____

• 100 yards
• 25 yards
• 150 yards
• 15 yards

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

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²
• 45.6 cm²
• 50.24 cm²
• 55.9 cm²

The number pi is approximately equal to _________. 

• 3.14
• 3
• whatever the diameter equals 

what is the symbol for pi

• £

• π

• Π

• •