Question

find the diametere of circle whose radius is 7.8cm​

Answer 1

Answer:

given:-

diameter = 7.8 cm

to find:-

radius

we know that-

2radius = Diameter

so,

2radius = 7.8cm

radius=7.8/2cm

radius = 3.9 cm

more information-

radius of the same circle is always similar.

circumference of circle =2πr

area of circle=πr²