14-15 Ladder reaching the house from the ground outside the wall

Problem 14
A wall 10 ft high is 8 ft from the house. Find the length of the shortest ladder that will reach the house, when one end rests on the ground outside the wall.

Solution 14


Problem 15
Solve Problem 14, if the height of the wall is $b$ and its distance from the house is $c$.

Solution 15

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