Question

the circumference of a circle is 110cm. find the area of the circle.​

Answer 1

Answer:

both curcufernce we're added

110+110

=220

because of angle on the same segment is equal then both added

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Answer 2

Given -

Circumference of circle is 110 cm

To find -

The area of circle

Solution -

As we know that,

Circumference of circle = $2 \times pi \times r$

Put the given values in these formula we get

$110 = 2\pi \times r$

$\frac{110}{2\pi} = r$

$\frac{55}{\pi} = r$

The value of π is 3.14 .

$\frac{55}{3.14} = r$

$r = 17.51$

So,

Radius (r) is 17.51 cm.

Area of circle = $\pi {r}^{2}$

Put the value of r we get

Area of circle = $\pi \times {17.51}^{2}$

Square means multiply the given values with itself twice.

Square of 17.51 is 306.6

Area of circle = $\pi \times 306.6$

The value of π is 3.14.

Area of circle = $3.14 \times 306.6$

Area of circle = $962.72$

Hence,

Area of circle is 962.72 ${cm}^{2}$