A painter leans a 10 ft ladder against a building.

Mathematics

1 answer:

Katarina [22]3 years ago

8 0

Answer:

<h2>7.14 ft </h2><h2>I hope it helps :)</h2>

Step-by-step explanation:

$Hypotenuse = 10\\Opposite = 7\\Adjacent = x\\ \\Using Pythagoras theorem ;\\Hyp^{2} =opp^{2} +adj^{2} \\10^{2} = 7^{2} +x^{2} \\100 = 49+x^{2} \\x^{2} =100-49\\x^{2} =51\\\sqrt{x^{2} } =\sqrt{51} x = 7.14 ft$

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