please tell me the answers.
I challenge you if you can solve this
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Answers
Answered by
1
Answer:
3cm
Step-by-step explanation:
external diameter of the rod
= internal diameter + 2 × thickness
= 2.8cm + 2 × 1mm
= 2.8 × 10 + 2mm
= 28mm + 2mm = 30mm = 3cm
Answered by
1
Answer:
3 cm
Step-by-step explanation:
=Internal diameter + 2 × think
=2.8mm+2mm
=30mm
=3cm
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