Solving Similar Triangle Problems with Ratios
Authored by Anthony Clark
English, Mathematics
8th 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?
20 feet
15 feet
10 feet
25 feet
Tags
CCSS.HSG.SRT.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similar triangles have sides in the ratio of 2:3. If the shorter triangle has a side measuring 8 cm, what is the length of the corresponding side in the larger triangle?
14 cm
16 cm
10 cm
12 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A model of a building is 4 feet tall and casts a shadow of 10 feet. If the actual building casts a shadow of 25 feet, how tall is the actual building?
10 feet
20 feet
15 feet
5 feet
Tags
CCSS.7.G.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a park, a 6-foot tall statue casts a shadow of 4 feet. If a nearby lamp post casts a shadow of 10 feet, how tall is the lamp post?
15 feet
20 feet
8 feet
12 feet
Tags
CCSS.HSG.SRT.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A triangle has sides measuring 5 cm, 12 cm, and 13 cm. If a similar triangle has its longest side measuring 20 cm, what is the length of the shortest side?
10 cm
5 cm
7.69 cm
15 cm
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 3-foot tall plant casts a shadow of 2 feet. If a nearby fence casts a shadow of 8 feet, how tall is the fence?
14 feet
12 feet
6 feet
10 feet
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similar triangles have a ratio of 1:4. If the perimeter of the smaller triangle is 15 cm, what is the perimeter of the larger triangle?
60 cm
75 cm
45 cm
30 cm
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