Question

the circumference of circle is 88 cm . find its radius​

Answer 1

Answer:

14

Step-by-step explanation:

circumference=2πr

88=2×22/7r

88×7/44=r

2×7=r

14cm=radius

Answer 2

Question :-

The circumference of circle is 88 cm . find its radius ?

Given :-

circumference of circle is 88 cm

To Find :-

Radius of the circle

Formula :-

✪ Circumfrence of circle = 2πr

• π = 22/7

• R = Radius

Solution :-

• First of all let's known that how can we find the solution.

✪ Here we have circumference of the circle.  By using the formula of circumfrence of circle and by taking the radius of the circle be x.we will get the solution.

• Let Radius of the base be x

↬ Circumfrence of circle = 2πr

↬ 88cm = 2 × 22/7 × x

↬ 88 × 7/2 × 22 = x

• Now by cuting the fraction by the multiple of 11 we will get

↬ 8 × 7/ 2 × 2 = x

• Now again by cuting the fraction by the multiple of 2 we will get

↬ 4 × 7/1 × 2 = x

• Now again by cuting the fraction by the multiple of 2 we will get

↬ 2 × 7/1 × 1 = x

• Now by multiplying we will get

↬ 14/1 = x

↬ 14 = x

Now the value of x is 14

as we know that we have taken Radius be x

↬ Radius = x = 14

Now the radius of the circle is 14cm

Diagram of the circle :-

$\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\qbezier(2.3,0)(2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,-2.121)(0,-2.3)\qbezier(2.3,0)(2.121,-2.121)(-0,-2.3)\put(0,0){\line(1,0){2.3}}\put(0.5,0.3){\bf\large 14cm}\end{picture}$

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Circumfrence of field is 154m .find its area ?

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