# Math

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A painter needs to cover a triangular region 61 meters by 66 meters by 72 meters. A can of paint covers 70 square meters. How many cans will be needed?

• Math -

This question was asked and answered about two weeks ago. Were you the person who posted the question? Did you see the answer?

There is a formula for the area of a triangle in terms of the lengths of three sides, which I provided in my previous answer. Use that formula.

If you are asking this question for the fiorst time, go to

http://www.csgnetwork.com/herontriangleareacalc.html

Divide the area by 70 m^2 per can for the number of cans.

• Math -

would it be 1878.58 divided by 70m^2 =
4900/1878.58= 2.6 so 3 cans

• Math -

Yes. That is the correct area and number of cans

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