alleryஆரம் 7 cm கொண்ட ஒரு கோளத்தின் புறப்பரப்பளவைக் காண்க (pi = 22/7).
A154 cm²
B308 cm²
C1437 cm²
D616 cm²
Answer & Solution
Correct answer: D. 616 cm²
புறப்பரப்பளவு 4 pi r squared = 4 x (22/7) x 49 = 616 சதுர சென்டிமீட்டர்கள் ஆகும்.
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