
Proportions in Action: 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 tree casts a shadow of 15 feet. At the same time, a 5-foot tall person casts a shadow of 2 feet. How tall is the tree?
50 feet
37.5 feet
25 feet
10 feet
Tags
CCSS.HSG.SRT.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similar triangles have a ratio of their sides of 3:5. If the shorter triangle has a base of 9 cm, what is the length of the base of the larger triangle?
15 cm
12 cm
20 cm
18 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?
50 feet
30 feet
20 feet
40 feet
Tags
CCSS.7.G.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 10-foot tall flagpole casts a shadow of 8 feet. How long is the shadow of a 5-foot tall person standing nearby?
10 feet
2 feet
4 feet
6 feet
Tags
CCSS.HSG.SRT.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a park, two similar triangular flower beds have a ratio of 1:4. If the area of the smaller flower bed is 10 square meters, what is the area of the larger flower bed?
80 square meters
100 square meters
160 square meters
40 square meters
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 12-foot ladder reaches a wall at a height of 9 feet. If another ladder is 16 feet long, how high will it reach on the same wall?
10 feet
15 feet
12 feet
13.89 feet
Tags
CCSS.8.G.B.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A photograph of a building is taken from a distance, creating a triangle with a height of 3 inches and a base of 4 inches. If the actual building is 60 feet tall, how far away is the photographer standing?
80 feet
100 feet
20 feet
40 feet
Tags
CCSS.7.G.A.1
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