alleryदोन गोलांची त्रिज्या 1:2 ह्या प्रमाणांत आसतात. तांच्या पृश्ठभागाचें प्रमाण कितलें आसता?
A1:6
B1:2
C1:4
D1:8
Answer & Solution
Correct answer: C. 1:4
पृश्ठभागाचें क्षेत्रफळ त्रिज्या वर्गाप्रमाण बदलता, देखून हें प्रमाण 1:4 आसता.
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