NCERT Example 3 - Surface Areas and Volumes

Question: A wooden toy rocket is in the shape of a cone mounted on a cylinder, as shown in Fig. 12.8. The height of the entire rocket is 26 cm, while the height of the conical portion is 6 cm. The base of the conical portion has a diameter of 5 cm, while the base diameter of the cylindrical portion is 3 cm. If the conical portion is to be painted orange and the cylindrical portion yellow, find the area of the rocket painted with each of these colours. (Take pi = 3.14)

Answer: Orange part = 63.585 cm^2; yellow part = 195.465 cm^2.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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