math
posted by mary ann .
a ladder is leaning againt the side of a building. The ladder is 10 feet away from the building and touches the building at a point 24 feet above the base. How long is the ladder?

a^2 + b^2 = c^2
10^2 + 24^2 = c^2
100 + 576 = c^2
676 = c^2
26 = c
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