लोहे के पतले तार से समान व्यास वाले 8 छल्ले बनाए जाते है यदि एक छल्ले का व्यास 22cm हो तो छल्लो को बनाने में कुल कितने मीटर तार लगेगा?
Answers
Answered by
1
Answer:
22*8 = 176
Thsi is the answer
Answered by
5
Answer:
Step-by-step explanation:radius of ring = 22÷2=11
Length of wire used to make one ring = 2πr= 2×22÷7×11
Length of total wire =
2×22÷7×11×8
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