Question

What is the radius and diameter of the following circle? 4.2cm Please help

Answer 1

The radius is 4.2 and the diameter is always twice the amount of the radius so its 8.4.

Explanation:

Answer 2

Answer: R = 4.2cm and D = 8.4cm

Step-by-step explanation: The diameter of a circle is the full line across the circle. The radius of a circle is half of its diameter. The line shown go's halfway through the circle so its the radius. To find the diameter you multiply the radius by 2.

`4.2 * 2 = 8.4`