alleryएक शंक्वाकार छाया की त्रिज्या 7 cm और तिरछी ऊंचाई 15 cm है; कपड़ा क्षेत्र? π = 22/7.
A330 cm²
B484 cm²
C154 cm²
D660 cm²
Answer & Solution
Correct answer: A. 330 cm²
छाया को पार्श्व कपड़ा क्षेत्र की आवश्यकता है (22/7) × 7 × 15 = 330 सेमी ²।
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