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?
Proportions and Scale Factors in Similar Triangles

Quiz
•
English, Mathematics
•
8th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10 feet
15 feet
25 feet
20 feet
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similar triangles have a scale factor of 2. If the shorter triangle has a base of 4 cm, what is the base of the larger triangle?
12 cm
10 cm
8 cm
6 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A model of a building is 1/100th the size of the actual building. If the model is 2 meters tall, how tall is the actual building?
50 meters
150 meters
200 meters
100 meters
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 6-foot tall flagpole casts a shadow of 8 feet. If a nearby building casts a shadow of 32 feet, how tall is the building?
16 feet
30 feet
24 feet
20 feet
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a triangle, if the lengths of two sides are 3 cm and 4 cm, and the scale factor to a similar triangle is 3, what are the lengths of the corresponding sides in the larger triangle?
12 cm and 15 cm
6 cm and 8 cm
9 cm and 12 cm
7 cm and 10 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A photograph of a person is 10 inches tall and the actual person is 5 feet tall. What is the scale factor of the photograph to the actual person?
1/8
1/4
1/6
1/5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similar triangles have corresponding sides of lengths 8 cm and 12 cm. If the shorter triangle has a height of 5 cm, what is the height of the larger triangle?
8 cm
7.5 cm
10 cm
6 cm
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