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If an 8-foot ladder is placed 3 feet from the wall, what is the approximate height it will reach on the wall? 7 feet 5 feet 11 feet
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Feb 17, 2017
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If an 8-foot ladder is placed 3 feet from the wall, what is the approximate height it will reach on the wall? 7 feet 5 feet 11 feet
Mathematics
high-school
Myra
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Myra
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The figure forms a right angled triangle, with hypotenuse = 8, distance from the wall = 3, let the height be x.
x² + 3² = 8²
x² + 9 = 64
x² = 64 -9
x² = 55
x = √55
x ≈ 7.42 feet.
So it is ≈ 7 feet.
William Perron
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Feb 18, 2017
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William Perron
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7 feet is the answer
Sidthesloth
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Feb 24, 2017
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Sidthesloth
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