That would be "perimeter". The perimeter is the distance around a figure, and it is calculated by adding the lengths of the different sides. For example, for a triangle, add the lengths of the three sides.
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Its area is 0.5*36*48 = 864 square cm and it is a right angle triangle
First of all, I think you mean perimeter. So, to find the perimeter you do a+b+c. Meaning, that you add the three sides together. The way you find the area is by doing the formula A=1/2bh, (half the base times the height).
how do you calculate the circunference of hemisphere?
Calculate the sum
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