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A ladder leans against a second-story window of a house. If the ladder is 25 meters long, and the base of the ladder is 7 meters from the house, how high is the window?

Slide 12

Ladder Problem Solution

First draw a diagram that shows the sides of the right triangle.

Label the sides:

Ladder is 25 m

Distance from house is 7 m

Use a2 + b2 = c2 to solve for the missing side.

Distance from house: 7 meters

Slide 13

Ladder Problem Solution

72 + b2 = 252

49 + b2 = 625

b2 = 576

b = 24 m

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