
Proportions and Ratios: Solving Similar Triangle Problems
Authored by Anthony Clark
English, Mathematics
7th Grade
CCSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 5-foot tall person casts a shadow of 3 feet. If a tree casts a shadow of 12 feet, how tall is the tree?
10 feet
25 feet
20 feet
15 feet
Tags
CCSS.HSG.SRT.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similar triangles have sides in the ratio of 2:5. If the shorter triangle has a side measuring 8 cm, what is the length of the corresponding side in the larger triangle?
25 cm
16 cm
12 cm
20 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A model of a building is made with a height of 4 feet and a width of 2 feet. If the actual building is 60 feet tall, how wide is the actual building?
20 feet
40 feet
30 feet
50 feet
Tags
CCSS.7.G.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A flagpole is 15 feet tall and casts a shadow of 10 feet. If a nearby building casts a shadow of 50 feet, how tall is the building?
100 feet
50 feet
30 feet
75 feet
Tags
CCSS.7.RP.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a triangle, one angle measures 30 degrees and the corresponding angle in a similar triangle measures 60 degrees. If the shorter triangle has a side of 10 cm, what is the length of the corresponding side in the larger triangle?
20 cm
15 cm
25 cm
30 cm
Tags
CCSS.HSG.SRT.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 3-foot tall statue casts a shadow of 2 feet. If a nearby lamp post casts a shadow of 8 feet, how tall is the lamp post?
15 feet
10 feet
5 feet
12 feet
Tags
CCSS.7.RP.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similar triangles have a ratio of 3:4. If the perimeter of the smaller triangle is 30 cm, what is the perimeter of the larger triangle?
50 cm
40 cm
35 cm
25 cm
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