B. 22176 cm² / 22176 cm²
ExplanationSurface area = 4πr² = 4 × 22/7 × 42² = 22176 cm².
पृष्ठीय क्षेत्रफल = 4πr² = 4 × 22/7 × 42² = 22176 cm²।
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Tap once to confirm. On the next tap, login will open for the answer.
Use Google login or mobile OTP. Admin can block users and control login providers.
Quiz questions, daily challenge and practice pages will open according to your selected class.