Question

if the radius of a circle is 4. 2 CM then find its diameter

Answer 1

hi Friend !!!

Here is ur answer !!!

radius = 4.2

diameter = 4.2×2 = 8.4

Hope it helps u :-)

Answer 2

diameter = 2 x radius
=>diameter = 2 x 4.2
=>diameter = 8.4 cm