clarencewoods clarencewoods

08-04-2015
Mathematics

Answered

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

Verified Answer :

Rollingtrolling Rollingtrolling

08-04-2015

Use the formula a squared plus b squared =csquared in this case you will come out with an equation like this

3sqaured + bsqaured =12squared
9+bsqaured =144
144-9= b= 135
B=approximately 11.5

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