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03-03-2024
Mathematics

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a concrete pillar is a cylinder with a radius of 20 cm and height of 2 m.
1) find the volume of the pillar the pillar is made of concrete but contains 10 steel rods of length 1.8 m and diameter 1.2 cm. 2) find the volume of one of the rods and the volume of steel in the pillar.
3)find the volume of concrete contained in a pillar

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