alleryवर्तुळाची त्रिज्या दुप्पट केल्यार ताचें क्षेत्रफळ कितले पटींनी व्हड जाता?
A8 वेळा
B3 वेळा
C2 वेळा
D4 वेळा
Answer & Solution
Correct answer: D. 4 वेळा
क्षेत्रफळ त्रिज्याच्या वर्गाचेर आदारून आसता, देखून दुप्पट केल्यार 2 वर्ग = 4 पटींनी मेळटा.
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