if radius of a circle is doubled what would be the ratio of new circumference two new diameter
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Answer:
Pi:1
Step-by-step explanation:
Ler original radius = r
New radius = 2r
New circumference = 2*Pi*(New R)
= 2*Pi*2r
= 4 Pi r
New diameter = 2* (New r)
= 2*2r
= 4r
Ratio of circumference to diameter = 4Pir/4r
= Pi:1
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