Activity › Discussion › Math › Mensuration, Class 6 › Reply To: Mensuration, Class 6
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radius= 28cm
we know that perimeter of a circle= 2πR
=>2×22/7×28=2x22x4=176 cm
and area=<em style=”font-family: inherit; font-size: inherit; color: var(–bb-body-text-color);”>πR^2
<em style=”font-family: inherit; font-size: inherit; color: var(–bb-body-text-color);”>=>22/7x(28)^2=2464 cm^2