143
A button has a diameter of 4 centimeters. What is the area of the button?
12.56 cm2
A circle has a radius of 12 inches. Write the formula to find the area. (Plug in given values!)
A = (122) (3.14)
OR
A = (12)(12)(3.14)
An architect is sketching up a community park design. The park will have a trail that measures 3 miles. If the sketch of the trail is 12 inches, then what is the scale of the sketch?
1 mile = 4 inches
A rectangle has a width of 9 inches. It is enlarged and the new width is 36 inches. What is the scale factor?
SF = 4
The circumference of a steering wheel is 42 inches. Determine the radius of the steering wheel. Round your answer to the nearest whole number.
7 in
A tire measures 10.5 inches from the center to the outside. What is the distance around the tire?
65.94 in
Mr Lewis is installing a new granite countertop. The countertop will be in the shape of a rectangle measuring 11 feet by 12 feet. Each square foot of granite costs $9.50. Find the cost of the granite for the countertop.
1254 ft2
Aaron made a scale drawing of the Golden Gate Bridge which has an actual height of 746 feet. He decides to use a scale in which 1 inch represents 50 feet. What is the height in inches of Aaron's drawing?
14.92 ft
A baby monitor picks up signals within a 50-meter radius. How many square meters of coverage does the baby monitor provide?
7850 m2
Mr. Hawkins is covering a wall with wallpaper. The rectangular wall measures 14 feet by 12 feet. Each square foot of wallpaper costs $2.90. Find the cost of covering the wall with wallpaper.
$487.20
A homeowner is replacing their kitchen flooring with new tile. New tile will go in the shaded area below. Determine the total amount of tile, in square feet, needed to complete the job. (#12)
142 ft2
Figure EFGH is similar to figure LMNO. Which proportion must be true for these figures? (#6)
a. GH/LM = MN/NO
b. EF/LM = FG/MN
c. EF/LM = NO/GH
d. LM/HE = FE/NM
b. EF/LM = FG/MN
Amy drew a map of the Colorado River using the scale 7 centimeters equals 210 kilometers. The actual length of the Colorado River is 2,330 kilometers. Approximately what is the length of the Colorado River on the map in centimeters?
77.6 cm OR 78 cm
Two cereal boxes are similar in shape and size. The smaller cereal box is dilated by a scale factor of 1.5 to create the larger cereal box. What are the measurements of the larger cereal box? (#7)
x = 15 in
y = 4.5 in
z = 10.5 in
A rectangular photo is reduced from of a 15 by 25-inch print to a 3 by 5 inch. What is the scale factor used to reduce it?
SF = 1/3 OR 0.33333