# Need math help with a building that is 12ft high and a leaned ladder that is 15 ft long up to the top

Anonymous
account_balance_wallet \$5

### Question Description

of the building how far will the base of the ladder be from the building?

Doctor_Ralph
School: New York University

We use the Pythagoras theorem

A2 + B2 =C2

122 + B2=152

B2=225 -144

=81

B=sqrt of 81

=9ft

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Anonymous
awesome work thanks

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