SIMILAR TRIANGLES WITH INDIRECT MEASUREMENT WORKSHEET

In each figure, find x.

Problem 1 :

indir-meas-q1

Solution

Problem 2 :

indir-meas-q2

Solution

Problem 3 :

indir-meas-q3

Solution

Problem 4 :

indir-meas-q4

Solution

Problem 5 :

indir-meas-q5

Solution

Problem 6 :

indir-meas-q6

Solution

Problem 7 :

An office building 55 ft tall casts a shadow 30 ft long. How tall is a person standing nearby who casts a shadow 3 ft long?

Solution

Problem 8 :

A 20 ft pole casts a shadow 12 ft long. How tall is a nearby building that casts a shadow 20 ft long?

Solution

Problem 9 :

A fire tower casts a shadow 30 ft long. A nearby tree casts a shadow 8 ft long. How tall is the fire tower if the tree is 20 ft tall?

Solution

Problem 10 :

A house casts a shadow 12 m long. A tree in the yard casts a shadow 8 m long. How tall is the tree if the house is 20 m tall?

Solution

Answer Key

1) x = 78 feet

2)  x = 62 ft

3)  x = 13.3 m

4)  x = 68.75 km

5) x = 32

6)  x = 8 ft

7)  x = 5.5 ft

8)  x = 33.33 ft

9)  x = 75 ft

10) x = 30 m

Problem 1 :

Use similar triangles to find the height of the building.

similar-triangle

Solution

Problem 2 :

Use similar triangles to find the height of the tree.

similar-triangle-q1

Solution

Problem 3 :

A lamppost casts a shadow that is 15 yards long. A 3 foot tall mailbox casts a shadow that is 5 yards long. How tall is the lamppost?

Solution

Problem 4 :

An 8 foot tall statue stands in the park and casts a shadow that is 16 feet long. A dog stands next to it and is 3 feet tall. How long is the dog's shadow?

Solution

Problem 5 :

A building casts a shadow that is 420 meters long. At the same time, a person who is 2 meters tall casts a shadow that is 24 meters long. How tall is the building?

Solution

Problem 6 :

On a sunny day around noon, a tree casts a shadow that is 12 feet long. At the same time, a person who is 6 feet tall standing beside the tree casts a shadow that is 2 feet long. How tall is the tree?

Solution

Answer Key

1)  So, height of the larger triangle is 18 ft.

2)  So, height of the larger tree is 27 m.

3)  So, the lamppost is 9 yards.

4)  So, length of the dog's shadow is 6 feet.

5)  So, height of the building is 35 meters.

6)  So, height of the tree is 36 feet.

Related Pages

similar-triangle-and-indirect-measurement

Solution

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