जॉइन Examsbookउत्तर : 4. "14 cm"
The difference between circumference and semidiameter of a circle is 37 cm. What is the diameter of the circle ?5
प्र: The difference between circumference and semidiameter of a circle is 37 cm. What is the diameter of the circle ?
- 118 cmfalse
- 212 cmfalse
- 316 cmfalse
- 414 cmtrue
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उत्तर : 4. "14 cm"
व्याख्या :
Answer: D) 14 cm Explanation: circumference of a circle = 2πr => 2 × 22/7 × r – r = 37 => 37/7 × r = 37 => r = 7 cm. Diameter D = 2r = 7×2 = 14 cm.