alleryત્રિજ્યા-7 cm ઊંચાઈનો સિલિન્ડર 10 cm ટોચ પર મેળ ખાતો ગોળાર્ધ ધરાવે છે. તળિયાને બાદ કરતા વિસ્તાર ખુલ્લા? π = 22/7 નો ઉપયોગ કરો.
A594 cm²
B902 cm²
C748 cm²
D1056 cm²
Answer & Solution
Correct answer: C. 748 cm²
માત્ર સિલિન્ડરનો વક્ર વિસ્તાર અને ગોળાર્ધનો વક્ર વિસ્તાર ખુલ્લા છે: 440 + 308 = 748 સેમી ².
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