a^2+b^2=c^2
a=x
b=11
c=12
a squared=c squared-b squared
12 squared is 144
11 squared is 121
144-121=23
The square root of 23, rounded to the nearest hundredth, is 4.80
Answer:
4.8 ft
Explanation:
The given diagram suggests the height is the unknown leg of a right triangle with hypotenuse 12 ft and one leg 11 ft. Then the Pythagorean theorem tells you the length of the other leg is ...
? = √((12 ft)^2 -(11 ft)^2) = √(23 ft^2) ≈ 4.8 ft
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