1.
The circumference of a circle is 3
units. What is the diameter of the circle?
A.
6 units
B.
3
units
C.
3 units
D.
1.5 units
Hint
2.
Pizzas are often described using their diameter. A 14-inch pizza has a diameter of 14 inches. Find the area of a 14-inch pizza to the nearest square inch.
A.
about 254 square inches
B.
about 154 square inches
C.
about 616 square inches
D.
about 140 square inches
Hint
3.
Natasha has a circular pond in her yard. The pond has a diameter of 21 feet. Use
for
to calculate the distance around Natasha's pond.
A.
3 ft
B.
147 ft
C.
66 ft
D.
462 ft
Hint
4.
A pizza shop offers a 10-inch diameter pizza for $9.99, a 12-inch diameter pizza for $10.99 and a 14-inch diameter pizza for $11.99. Which pizza has the lowest price per square inch?
A.
14-inch
B.
They are all the same.
C.
12-inch
D.
10-inch
Hint
5.
Many people like to walk the path of a labyrinth to relax. Boston College has a labyrinth that is enclosed in a circle that is 157 feet in circumference. Find the area of the labyrinth.
A.
about 3,140 square feet
B.
about 1,270 square feet
C.
about 1,960 square feet
D.
about 2,540 square feet
Hint