Question

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Answer 1

Answer: 19.6 feet

Explanation:

Using the Pythagorean theorem,

`x^2 +(x+6)^2 =48^2\\\\x^2 +x^2 +12x+36=2304\\\\2x^2 +12x-2268=0\\\\x^2 +6x-1134=0\\\\x=(-6 \pm √(6^2 -4(1)(-1134)))/(2(1))\\\\x \approx 30.8 \text{ } (x > 0)\\\\\implies x+(x+6) \approx 67.6\\\\\therefore (x+(x+6))-48 \approx 19.6`