Question

The diameter of a circle whose circumference is 22cm is​

Answer 1

Answer:

11

Step-by-step explanation:

that is 11 .... isn't it?

Answer 2

$\star\small\sf\underline\blue{Given:-}$

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• The circumference of the circle is 22 cm.

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$\star\small\sf\underline\blue{Find \: Out:-}$

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• The diameter of the circle = ?

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$\star\small\sf\underline\blue{Solution:-}$

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$\sf \: Circumference \: of \: circle = 22 \: cm \\ \\ \implies \sf2\pi \: r = 22 \: cm \\ \\ \implies \sf2 \times \dfrac{22}{7} \times r = 22 \: cm \\ \\ \\ \sf \red\star \:\underline{Therefore:-} \\ \\ \sf Radius = \dfrac{ \cancel{22 }\times 7}{2 \times \cancel{22} } \\ \\ \sf Radius = \boxed { \bf \dfrac{7}{2} } \\ \\ \\ \sf \red\star \:\underline{Now:-} \\ \\ \sf \: Diameter = 2 \times radius \\ \\ \sf \: Diameter = \cancel2 \times \frac{7}{ \cancel2} \\ \\ \sf \: Diameter = \boxed{ \bf7 \: cm}$

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$\star\small\sf\underline\blue{AnswEr:-}$

• The diameter of the circle is 7 cm.