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).
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Its area is 0.5*36*48 = 864 square cm and it is a right angle triangle
To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle. To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle.
Area of a triangle = 0.5*base*perpendicular height
Find the area of the triangle 4inch tall 3.2 base
A= 1/2(b)(h)