A rectangular piece of wire with dimensions 9cm and 6.4cm is stretched and bent again to form a circle. What would the diameter of the circle be?
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perimeter of rectangle=2(l+b)
2(9+6.4)cm
2×15.4cm
30.8cm
circumference of circle= perimeter of rectangle
2piR=30.8cm
2×22/7×R=30.8
R=30.8×7/2×22
=4.9cm
now diameter of circle=2R
2×4.9cm
9.8cm
2(9+6.4)cm
2×15.4cm
30.8cm
circumference of circle= perimeter of rectangle
2piR=30.8cm
2×22/7×R=30.8
R=30.8×7/2×22
=4.9cm
now diameter of circle=2R
2×4.9cm
9.8cm
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