Proportions
Similar Figures
Scale Factor
100
What is the missing number in the proportion? 5/8 = n/48
What is n=30?
100
It is the missing word in the definition: Similar figures have corresponding angles that are congruent and corresponding sides that are ___________.
What is "proportional?"
100
The scale factor for a map is 1 cm. = 200 km. On the map, Boston is 1.5 cm. from New York. How far is Boston from New York?
What is 300 km.?
200
Five shovels of sand are mixed with 4 shovels of gravel to make cement. How many shovels of gravel are needed for 45 shovels of sand?
What is 36?
200
Two rectangles are similar. The length of the larger rectangle is 18 cm. and the width is 6 cm. The length of the smaller rectangle is 12 cm. Find the width of the smaller rectangle.
What is 4 cm.?
200
Jeff drew a model of an airplane with a wing of 5 in. He used a scale of 1 inch = 5 feet. Find the actual length of the wing.
What is 25 ft.?
300
Thirty buses can carry 1500 people. How many people can be carried by 5 buses?
What is 250?
300
Triangle ABC has an angle measure of 76 degrees and an angles measure of 13 degrees. Triangle DEF is similar to triangle ABC with a scale factor of 3. What are the three angle measures in triangle DEF?
What are 76 degrees, 13 degrees, and 91 degrees?
300
In a picture, a snake measures 4 in. long. The scale is 1 in. = 2 ft. Find the actual length of the snake.
What is 8 ft.?
400
Ivy's Fresh Eggs transports its eggs in crates. It takes 2 trucks to carry 80 crates. What is the number of crates 8 trucks can carry?
What is 320?
400
Triangle ABC has side AB = 31.5 cm. and side AC = 24 cm. Triangle DEF has side DE = 10.5 cm. and side DF = 8 cm. Determine if the two triangles are similar.
What is "they are similar since corresponding sides are in proportion"?
400
Two towns are 20 miles apart. On a map with the scale 1 inch = 40 miles, how many inches apart are the towns?
What is 1/2 in.?
500
What is the missing number in the proportion: 6/8 = n/20
What is 15?
500
Two rectangles are similar. The smaller rectangle has a length of 8 cm. and a width of 6 cm. The larger rectangle has a width of 9 cm. and a length of ______cm.
What is 12?
500
On Martha's map, the distance from her office to her house measures 3.5 in. The map scale is 1 in. = 16 mi. If Fiona drives back and forth, how many total miles will her round trip be?
What is 112 miles?
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