2. The ratio of radius(r) to diameter (d) of circle is ……

(A) 1:2 , (B) 2:1 , (C) 1, (D) none of these​

2. The ratio of radius(r) to diameter (d) of circle is ……

(A) 1:2 , (B) 2:1 , (C) 1, (D) none of these​

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2 thoughts on “2. The ratio of radius(r) to diameter (d) of circle is ……<br /><br /> (A) 1:2 , (B) 2:1 , (C) 1, (D) none of these​”

  1. ANSWER :

    r : d

    d = 2r

    we know the diameter of the circle the double of radius or radius is the half of diameter .

    r : d = 1 : 2

    The answer is A) 1 : 2

    Note : if the radius is x diameter is 2x ,

    if radius is 2 diameter is equal to 2×2 = 4 .

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