Write ‘True’ or ‘False’ and justify your answer. Two identical solid hemispheres of equal base radius r cm are stuck together along
their bases. The total surface area of the combination is 6πr2.
NCERT Class X
Mathematics - Exemplar Problems
Chapter _SURFACE AREAS AND VOLUMES
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Answered by
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Surface area of upper hemisphere = 3πr2
Surface area of lower hemisphere = 3πr2
But surface area of bases will not be considered as they are stuck and their bases cannot be seen
So total surface area of the combination = 3πr2 + 3πr2 = 6πr2
So, the above statement is true
Surface area of lower hemisphere = 3πr2
But surface area of bases will not be considered as they are stuck and their bases cannot be seen
So total surface area of the combination = 3πr2 + 3πr2 = 6πr2
So, the above statement is true
Answered by
1
Answer:
false
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