alleryएक त्रिज्या-7 cm ऊंचाई 10 cm सिलेंडर के शीर्ष पर एक मिलान गोलार्ध है। नीचे को छोड़कर खुला क्षेत्र? π = 22/7 का प्रयोग करें।
A594 cm²
B902 cm²
C748 cm²
D1056 cm²
Answer & Solution
Correct answer: C. 748 cm²
केवल सिलेंडर का घुमावदार क्षेत्र और गोलार्ध का घुमावदार क्षेत्र उजागर होता है: 440 + 308 = 748 सेमी ²।
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