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sveticcg [70]
3 years ago
5

a 15 foot ladder is leaning against a building .How High up on the building will the ladder reach when the bottom of the ladder

is 6ft from the building??? Round your answer to the nearest tenth.[8.1]
Mathematics
2 answers:
Aleks [24]3 years ago
8 0
This is just an application of Pythagoras' theorem. The ladder is the hypotenuse of a right triangle formed by the building. The Hypotenuse is 15 ft, and side a (the floor,) is 6 ft. PLugging this into the theorem, we get
15^2 = 6^2 + b^2
225 = 36 + b^2
189 = b^2
b is approximately 13.7478
ololo11 [35]3 years ago
3 0
<span>The ladder is the hypotenuse of a right triangle.
one side=6ft
Height=.
</span><span>EQUATION:
x^2+6^2=15^2
x^2=189
x=13.7 ft. (the ladder reaches 13.7 ft. up the wall)</span>
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