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for radius apply
for area apply formula pi r sq
and for area when radijs is doubled, use R=2r
for area apply formula pi r sq
and for area when radijs is doubled, use R=2r
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Dear Student,
Please find below the solution to the asked query:
circumference of circle= 2πr=123.2 cm
r=123.2 /2×3.14=19.61 cm
Area of circle = πr2
=3.14×19.612
=1207.49 cm2
Area of circle = πr2
If radius is doubled then area of circle = π(2r)2=4×πr2=4×1207.49 =4829.96 cm2
Please find below the solution to the asked query:
circumference of circle= 2πr=123.2 cm
r=123.2 /2×3.14=19.61 cm
Area of circle = πr2
=3.14×19.612
=1207.49 cm2
Area of circle = πr2
If radius is doubled then area of circle = π(2r)2=4×πr2=4×1207.49 =4829.96 cm2
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