help123please.
A 20-foot ladder is leaning against the side of a building. The bottom of the ladder is 4 feet from the wall. How many feet above the ground does the ladder touch the wall?
ANSWER CHOICES
A. 16 FT
B. √384 FT
C. 12 FT
D. √ 416 FT
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ghazi
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|dw:1363217934200:dw|\[(20)^2=4^2+x^2\]
help123please.
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Thanks.
ghazi
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:D YW
help123please.
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let me try to solve this.
ghazi
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sure :)
help123please.
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Hmm.
ghazi
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what?
help123please.
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let me give u the available answer choices
help123please.
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I think its B
ghazi
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400=x^2+16
400-16=x^2
x=19.59