Math, asked by sudipdasdgp13, 5 months ago

the circumference and area of a circle are numerically equal then the radius of the circle is equal to in what ratio​

Answers

Answered by Catchymail202020
0

Answer:

Step-by-step explanation:

Circumference of circle = 2\pi r

Area of circle = \pi r^{2}

=>  2\pi r = \pi r^{2}

=>  r = 2cm

Circumference = 2 X \frac{22}{7} X 2 X 2 = 25.12cm

Ratio of radius to circumference =   2 : 25.12

Hope it helps...

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Answered by Biophychemathelete
0

Answer:

r = 2

Ratio = 2 : r

Step-by-step explanation:

Given,

Circumference = Area

2πr = πr²

r/r² = π/2π

1/r = 1/2

r = 2

Circumference : Area

2πr : πr²

2 : r

To solve this sum you should know that Circumference of a circle in 2πr and the area of a circle is πr²

Your welcome

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