Respuesta :

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

sqdancefan

Answer:

  4.8 ft

Step-by-step 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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