#9. A 4 mathrm{~m} ladder leans against a building. If the bottom of the ladder is 1.3 mathrm{~m} from the bottom of the building, how far up the wall will the ladder reach? Round your answer to one decimal place.

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Accepted Answer

Step:1 ：Use the Pythagorean theorem: (4^2 = 1.3^2 + x^2)Step:2 ：Solve for x: (x = sqrt{4^2 - 1.3^2} = 3.8)Step:3 ：(boxed{3.8}) meters up the wall

Answer

Step: 1 ：Use the Pythagorean theorem: (4^2 = 1.3^2 + x^2)Step: 2 ：Solve for x: (x = sqrt{4^2 - 1.3^2} = 3.8)Step: 3 ：(boxed{3.8}) meters up the wall

\#9. A $4 \mathrm{~m}$ ladder leans against a building. If the bottom of the ladder is $1.3 \mathrm{~m}$ from the bottom of the building, how far up the wall will the ladder reach? Round your answer to one decimal place.

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