# Another story problem

• Dec 14th 2006, 07:58 AM
Patience
Another story problem
An A-frame cabin has a triangular front with a base of 30 ft and a height of
20 ft. If the front is to be glass that costs to be $3 per square foot, what will the glass cost? • Dec 14th 2006, 08:09 AM topsquark Quote: Originally Posted by Patience An A-frame cabin has a triangular front with a base of 30 ft and a height of 20 ft. If the front is to be glass that costs to be$3 per square foot, what will the glass cost?

The area of a triangle is
[tex]A = \frac{1}{2}bh[tex]

$\displaystyle A = \frac{1}{2}(30 \, ft)(20 \, ft) = 300 \, ft^2$

So the cost will be:
$\displaystyle (300 \, ft^2)(3/ft^2) = 900$

So it costs \$900.

-Dan
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