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Sixth grade of mathematics development
It is known that the front area is 35 square centimeters, and the upper area is 2 1 centimeter-the side length of the front and the upper part is equal.

The common divisor of 35 and 2 1 is: 1, 7.

If the length is 1 cm, the height is 35 cm and the width is 2 1 cm.

Volume = 1*35*2 1=735 cm2.

If it is 7 cm long, 5 cm high and 3 cm wide.

Volume =7*5*3= 105 cm2