1.

Calculate the circumference of a circle3.5= Radius10mm= Diameter​

Answer»

Answer:

CIRCUMFERENCE of a circle whose R= 3.5

2πr = 2×22/7× 3.5

= 22cm

circumference of a circle whose r= 10 mm

2πr= 2× 22/7× 10mm

= 440/7mm



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