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.
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?
3 answers
would it be 1878.58 divided by 70m^2 =
4900/1878.58= 2.6 so 3 cans
4900/1878.58= 2.6 so 3 cans
Yes. That is the correct area and number of cans