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

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

(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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Answer:mark me as brainlieast

A) 1:2

ANSWER:r:dd = 2r

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

r:d=1:2TheanswerisA)1:2Note:iftheradiusisxdiameteris2x,ifradiusis2diameterisequalto2×2=4.