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A 9 foot ladder is placed against a building. If the base of the ladder is 7 feet away from the building, how far up the building will the ladder reach? Round the answer to the nearest tenth. X =
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Nov 11, 2023
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A 9 foot ladder is placed against a building. If the base of the ladder is 7 feet away from the building,
how far up the building will the ladder reach? Round the answer to the nearest tenth.
X =
Mathematics
college
Alexandru Bantiuc
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Alexandru Bantiuc
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X=5.7
Use Pythagorean Theorem a^2+b^2=c^2
The longest side being c because it’s thy hypotenuse and the other length being any one of the legs (either a or b).
7^2+b^2=9^2 —> 49+b^2=81 —>
b^2=81-49 =32 Sqrt of 32 = b = 5.7
Gerard Sexton
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Nov 16, 2023
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Gerard Sexton
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