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What is the area of a circle of the radius of 10m?
A circle with a radius of 10m has an area of 314.16 m2
What is the area of a rectangle 3.2m x 10m?
A rectangle measuring 3.2m x 10m has an area of 32m.
What is the area of a triangle of 15m 20m?
150 m2
A swimming pool 25m by 10m has a concrete border all round Find the area of the concrete border if it is 2.5m wide at the sides and 5m at the ends?
To find the area of the concrete border, we first calculate the total area of the pool including the border and then subtract the area of the pool itself. The total length of the pool with the border is 30m (25m + 2.5m on each side), and the total width is 15m (10m + 5m on each end). Therefore, the total area of the pool with the border is 30m x 15m = 450 square meters. The area of the pool itself is 25m x 10m = 250 square meters. Thus, the area of the concrete border is 450 square meters - 250 square meters = 200 square meters.
What is the surface area of 2m 10m?
Assuming that you are determining the surface area of a rectangle, in order to perform the calculation you would multiply the length (10m) by the width (2m):Surface Area = Length x WidthSurface Area = 10m x 2mSurface Area = 20m^2
