Question

if the diameter is 10.5 what is the radius

Answer 1

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

$r = \frac{10.5}{2}$

$r = \frac{105}{10 \times 2}$

$r = \frac{52.5}{10}$

$r = 5.25$

hope it will help you

Answer 2

Radius=d/2

10.5= 10.5/2

=5.25