Area and Circumference of Circles and Composite Figures

What equation would you use to solve for area of this circle? 

• 3.14 x 8

• 3.14 x 8 x 8 

• 3.14 x 4 x 4

What equation would be used to find the area? 

• A= 3.14 x 5

• A= 3.14 x 10

• A= 3.14 x 5 x 5  

What is the area of the figure?

• 48 ft

• 216 ft

• 65 ft

• 128 ft

The distance AROUND an object is called the 

• area

• perimeter or circumference

• volume

Jeff drew a circle inside a square, as shown below.  Which method can Jeff use to find the area of the square not covered by the circle?

• Subtract the area of the circle from the area of the square.

• Subtract the area of the square from the area of the circle.

• Subtract 1/4 the area of the square from the area of the circle.

• Subtract 1/4 the area of the circle from the area of the square.

What is the area of a circle with the diameter of 10cm ?

• 66cm

• 78.5cm

• 66.5cm

• 10m

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm

• 43.96 cm

• 87.96 cm

• 7 cm

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

find the circumference of a circle with a diameter of 12mm .

• 37.68mm

• 18.84mm

• 75.36mm

• none of the above

What is the area of the yellow?

• 78.5 mi²

• 19.625 mi²

• 39.25 mi²

• 31.4 mi²