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
0
Answer:
Step-by-step explanation:
Circumference of circle =
Area of circle =
=>
=>
Circumference = = 25.12cm
Ratio of radius to circumference = 2 : 25.12
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Answered by
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
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