Circumference and Area 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

Tags

CCSS.7.G.B.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  

Tags

CCSS.7.G.B.4

What is the area of the figure?

• 48 ft

• 216 ft

• 65 ft

• 128 ft

Tags

CCSS.6.G.A.1

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.

Tags

CCSS.3.MD.C.7D

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

Tags

CCSS.7.G.B.4

The distance AROUND an object is called the 

• area

• perimeter or circumference

• volume

Find the perimeter. You need to find two missing sides first!

• 25cm

• 35cm

• 50cm

• 100cm

Tags

CCSS.3.MD.D.8

Find the missing sides and the perimeter

• 21 miles

• 23 miles

• 20 miles

• 28 miles

Tags

CCSS.3.MD.D.8

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

Tags

CCSS.7.G.B.4

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

• 37.68mm

• 18.84mm

• 75.36mm

• none of the above

Tags

CCSS.7.G.B.4