alleryएका वर्तुळाची त्रिज्या 9 cm आहे. त्याच्या सर्वात लांब जीवेची लांबी किती आहे?
A18 cm
B9 cm
C12 cm
D15 cm
Answer & Solution
Correct answer: A. 18 cm
सर्वात लांब जीवा म्हणजे व्यास, जो त्रिज्येच्या दुप्पट असतो, म्हणून 18 cm.
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