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Step2247 [10]
3 years ago
14

A 12-foot ladder is leaning against a wall. The bottom of the ladder is 5 feet away from the bottom of the wall. Approximately h

ow high up the wall does the top of the ladder reach? A. 2.4 feet B. 7.0 feet C. 13.0 feet D. 10.9 feet
Mathematics
2 answers:
Ivahew [28]3 years ago
7 0
The ladder is the hypotenuse.
One of the legs is 5 feet.
We need to find the height.

a^2 + 5^2 = 12^2
a^2 + 25 = 144
a^2 = 144 - 25
a^2 = 119
a = √119

a ≈ 10.9 feet

The ladder reaches up 10.9 feet.
KonstantinChe [14]3 years ago
6 0
D) 10.9

pythagorean theorem 
144=25+x^2
10.9=x
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