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The diagram below shows some measurements taken from a new bridge. How long is the bridge?

feet   




The diagram below shows some measurements taken from a new bridge. How long is the-example-1
User Kamome
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1 Answer

6 votes

Answer:

1,737.3 feet

Explanation:

Let's assume the length of the bridge consists of 2 right triangles as shown in the diagram. Use pythagorean theorem to find the other missing leg of each right triangle.

Let the missing leg for each triangle be x and y respectively.

Length of bridge = x + y

✔️x = √(1115² - 860²) = √503,625

x ≈ 709.7 (nearest tenth)

✔️y = √(1340² - 860²)

y ≈ 1,027.6 (nearest tenth)

✔️ Length of bridge = 709.7 + 1,027.6 = 1,737.3 ft

User Barteloma
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