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Allisa [31]
4 years ago
13

The foot of an extension ladder is 10 ft from a wall. the ladder is 2 ft longer than the height that it reaches on the wall. how

far up the wall does the ladder reach
Mathematics
2 answers:
Mrac [35]4 years ago
4 0
This makes a right triangle with hypotenuse x+2 and legs 10 and x

10²+x²=(x+2)²

100 + x² = x²+4x+4

100=4x+4

4x=96

x=24, the height we are looking for
tiny-mole [99]4 years ago
4 0

base: 10

height: x

diagonal: x + 2

base² + side² = diagonal²

  (10)² + (x)²  = (x + 2)²

    100 + x²  = x² + 4x + 4

          100  = 4x + 4

            96 = 4x

           24 = x

Answer: 24 ft


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