Question

find the circumference of the circle given that diameter = 14cm?​

Answer 1

We know circumference of circle=2πr

Given diameter is 14cm

radius =7cm

therefore 2×22÷7×7

44cm^2

Answer 2

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Question : Find the circumference of the circle given that diameter =14cm?

$\: \ \mapsto \large \underline {\sf \color{red} \: given}$

$\: \bullet \displaystyle \bf{diameter = 14cm}$

$\: \mapsto \large \underline{ \sf{ \color{purple} \: to \: find}}$

$\: \bullet \bf{circumference \: of \: the \: circle \: }$

$\sf{\underline{\underline{\large{\bold{Answer:-}}}}}$

$\\ \longrightarrow \displaystyle \sf{circumference \: of \: the \: circle = 2\pi \:r}$

$\: \\ \longrightarrow \displaystyle \sf{radius = \frac{diameter}{2} = \frac{14}{2} = 7}$

$\: \boxed{ \bf{\star\: radius = 7cm}}$

$\: \\ \: \longrightarrow \displaystyle \sf{circumference \: of \: the \: circle = 2\pi \times 7}$

$\: \\ \longrightarrow \displaystyle \sf{circumference \: of \: \: the \: circle = 14\pi}$

$\: \underline{\boxed { \ \star \bf{put \: \pi = 3.14 \: or \: \frac{22}{7} }}}$

$\: \\ \longrightarrow \displaystyle \sf{circumference \: of \: the \: circle = 14 \times \frac{22}{7} }$

$\: \\ \longrightarrow \displaystyle \sf{circumference \: of \: the \: circle = \cancel \frac{14}{7} \times 22}$

$\: \\ \longrightarrow \displaystyle \sf{circumference \: of \: the \: circle = 44cm}$

$\: \bigstar \underline{\bf{ \color{red} \: the \: circumference \: of \: the \: circle \: is \: 14cm}}$