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What is the height of the support beam?

What is the height of the support beam?-example-1
User Dascandy
by
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2 Answers

4 votes

Answer:D. 36 m

Step-by-step explanation: Use the Pythagorean Theorem, which is a^2 + b^2 = c^2 to find the missing side. C is the hypotenuse. Plug in the numbers.

15^2 + b^2 = 39^2

Simplify.

225 + b^2 = 1521

Subtract 225 from each side.

b^2 = 1296

Square root each side to isolate b.

b = 36

The height of the support beam is 36 m.

User Ben Manes
by
7.8k points
4 votes

Answer:

36 meters

Explanation:

Using pythagorean theorem, 36² - 15² = 1296. √1296 = 36 meters

User Mbrannig
by
8.0k points

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