Indirect Measurement 5-10

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Presentation transcript:

Indirect Measurement 5-10

Indirect Measurement Use properties of similar triangles to find measurements that are difficult to measure directly.

1. Write a proportion and solve for the missing measurement.

2. Write a proportion and solve for the missing measurement The city of Hutchinson plans to build a bridge over the narrowest part of Stillwater River. Find the distance across this part of the river.

3. Write a proportion and solve for the missing side

4. Write a proportion and solve for the missing side When Peter stands in front of a 27-foot tree in front of his apartment building he can barely see the very top of the building over the tree. How tall is his apartment building?

5. Write a proportion and solve for the missing side

6. Write a proportion and solve for the missing side

7. Write a proportion and solve for the missing side

8. Write a proportion and solve for the missing side

9. Write a proportion and solve for the missing side

10. Write a proportion and solve for the missing measurement FLAGPOLE Lena is 5 ½ feet tall and casts an 8-foot shadow. At the same time, a flagpole casts a 48-foot shadow. How tall is the flagpole?

Homework Page 240 (3-8, 10-14) all