Question

find the circumference of a circle of radius10.5cm​

Answer 1

Answer:

circumference= 2×22/7×10.5

=66 cm

Step-by-step explanation:

I hope this helps you

Answer 2

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$given. \\ r = 10.5 \: cm \\ \\ formula \: for \: circumference \: of \: circle \\ c= 2\pi \times r \\ c = 2 \times \frac{22}{7} \times 10.5 \\ c = 66 \: cm$

$\huge\underline\mathfrak\purple{Extra \: info. }$

Circumference of the circle or perimeter of the circle is the measurement of the boundary of the circle. Whereas the area of circle defines the region occupied by it. If we open a circle and make a straight line out of it, then its length is the circumference. It is usually measured in units, such as cm or unit m.

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