Question

find the radius of circle whose diameter is 4 3/2 cm​

Answer 1

If the diameter is

$4 \frac{3}{2} \: cm$

Then the radius is :-

$4 \frac{3}{2} = \frac{11}{2} \div 2 \\ \\ = \frac{11}{2} \times \frac{1}{2} \\ \\ = \frac{11}{4} = 2 \frac{3}{4} \: cm$

Hope it helps