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Surface Areas and Volumes — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsSurface Areas and Volumes1 Mark
Question
Write ‘True’ or ‘False’ and justify your answer in the following:
Two identical solid hemispheres of equal base radius r cm are stuck together along their bases. The total surface area of the combination is $6\pi\text{r}^2.$
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Answer

False: When two hemispheres of equal bases are stuck base to base it forms a sphere and total surface area of resulting sphere is $4\pi\text{r}^2.$
Hence, the given statement is false.

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