Question

If diameter is 3.5 then what is its radius

Answer 1

Answer:

diameter=twice of radius

=3.5×2 = 7

hence radius of circle is 7 cm

Answer 2

Answer:

$d = 2r \\ r = \frac{d}{2} \\ r = \frac{3.5}{2} \\ r = 1.75$

I hope it will help you ☺☺