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प्रश्न
Two identical solid hemispheres of equal base radius r cm are stuck together along their bases. The total surface area of the combination is ______.
रिकाम्या जागा भरा
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उत्तर
Two identical solid hemispheres of equal base radius r cm are stuck together along their bases. The total surface area of the combination is 4πr2 cm2.
Explanation:
The two hemispheres form a sphere of radius r.
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