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The answer to the seventh big question (sixth grade)-(mid-term exam)
The circumference of the cylinder bottom = 47. 1 ÷ 3 = 15.7cm.

Radius of cylinder bottom =15.7 ÷ 3.14 ÷ 2 = 2.5cm.

Volume of cylinder = volume of cone =3. 14×2.5? × 10= 196.25cm？

Height of the cone =196.25÷ (1/3 )÷ 3.14÷ (10÷ 2)? = 7.5 cm

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