A carpenter is building a roof on a barn that is w feet wide and ℓ feet long. The roof will be covered by corrugated tin and the carpenter needs to know the area of the roof to estimate the amount of tin to purchase. The roof will have a pitch of 4:12. Find an expression for the area of the roof in terms of w and ℓ feet long.

Can someone help me out please :) Thanks!

Question

A carpenter is building a roof on a barn that is w feet wide and ℓ feet long.  The roof will be covered by corrugated tin and the carpenter needs to know the area of the roof to estimate the amount of tin to purchase.  The roof will have a pitch of 4:12.  Find an expression for the area of the roof in terms of w and ℓ feet long. 

Can someone help me out please :) Thanks!

anonymous · Answer

is there a pix or diagram of some kind to this problem?

anonymous · Answer

yes but doesn't have anything to do with the problem. It doesn't help solve it.

anonymous · Answer

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did it look something like this?