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area of irregular rectangle formula in maths. Part B is a triangle. The formula for finding the area of a triangle is area base times height divided by 2 A bh 2 and the formula for finding the area of a circle is area 314 times radius squared 314 r2.
A L 2 n 4 tan 180n Where A area of the polygon. The area of the rectangle below is 5 x 3 15 squares. W 2 24 2 26 2.
Side of square 10 m.
Another way to find the area of a rectangle is to multiply its length by its width. A lw 2410 240. W 2 24 2 26 2. Side of square 10 m.