# A box 4

A box open at the top has a rectangular base of 200mmx300mm and an altitude of 150mm. If the base and the sides are 10mm thick, find the total surface area of the box.

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**Math student**

Calculate the volume and total surface area in centimeters of a triangular prism if it has a rectangular base with a=4cm and hypotenuse c=50mm and height of the prism is 0.12dm.

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