Anita made a wax model of a rolling pin of diameter 6 cm. The rolling pin was shaped like a right circular cylinder with a right circular cone at each end as shown below.

A rolling pin shaped as a cylinder with conical ends. The length of the cylindrical part is 9 cm, the slant height of each cone is 4 cm and the diameter of the rolling pin is 6 cm.

What was the total surface area of the rolling pin? Using complete sentences, describe the steps you used to calculate the surface area.

Question

Anita made a wax model of a rolling pin of diameter 6 cm. The rolling pin was shaped like a right circular cylinder with a right circular cone at each end as shown below. 

A rolling pin shaped as a cylinder with conical ends. The length of the cylindrical part is 9 cm, the slant height of each cone is 4 cm and the diameter of the rolling pin is 6 cm. 

What was the total surface area of the rolling pin? Using complete sentences, describe the steps you used to calculate the surface area.

anonymous · Answer

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anonymous · Answer

i really need help i've been working on this for hours