alexussimpsona alexussimpsona

12-01-2018
Mathematics

contestada

the bottom of a ladder must be placed 3 ft from a wall. the ladder is 12 feet long. how far about the ground does the ladder touch the wall

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ray2me123 ray2me123

12-01-2018

↪ladder length (h)=12 feet

↪distance from wall to the bottom of ladder:
(b)=3 feet

↪distance from the top of ladder to the ground: (p)=?

Use Pythagorean theorem,
↪p²=h²-b²
=12²-3²
=144-9=135
↪p=✓135➡Ans

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