NCERT Example 2 - Surface Areas and Volumes
Question: The decorative block shown in Fig. 12.7 is made of two solids — a cube and a hemisphere. The base of the block is a cube with edge 5 cm, and the hemisphere fixed on the top has a diameter of 4.2 cm. Find the total surface area of the block. (Take pi = 22/7)
Answer: The total surface area of the block is 163.86 cm^2.
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