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A building has a window that is 12 feet high. Stan is going to use a ladder to get up to the window and decides to keep the ladder 5 feet away from the side of the building. How …

A building has a window that is 12 feet high. Stan is going to use a ladder to get up to the window and decides to keep the ladder 5 feet away from the side of the building. How …
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A building has a window that is 12 feet high. Stan is going to use a ladder to get up to the window and decides to keep the ladder 5 feet away from the side of the building. How long does the ladder need to be?

User Ksun
by
9.0k points

1 Answer

3 votes
Answer=13 feet long

This information describes a right triangle, with sides 5ft and 12ft.

a²+b²=c²
5²+12²=c²
25+144=c²
169=c²
√169=√c²
13=c

The ladder needs to be 13ft long
User Sayuri Mizuguchi
by
8.4k points
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