answersLogoWhite

0


Best Answer

Its radius would be 4cm long. You split it in half.

User Avatar

Wiki User

15y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: If the diameter is 8cm how long is its radius?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is the diameter of a circle whose radius is 4cm?

radius=4cm diameter=8cm *radius is half the diameter


If the radius of a circle is 4 cm what's the diameter?

8cm. The radius is always half the diameter.


Radius equals 4cm what would the diameter be?

You have to understand that two radius makes up a diameter. That means if given the radius you can just times it by 2 to get the diameter 4 cm= 8cm diameter


If the radius of a circle is 4 cm then what is the diameter?

The diameter would be 8cm, because the diameter is always double the radius. That's why the formula 2'Pi'r is also known as 'Pi'd.


The figure is a regular 12-sided polygonthe diameter of the circle that circumscribes it is 16cmfind the radius of the polygon?

-4


How long is a radius?

A radius is half of the diameter.


If a radius is 15 inches long how long is the diameter?

30 inches. The diameter is twice the length of the radius.


What is the perimeter of a 8cm semicircle?

8*pi + 16 = 41.13 cm (approx)It depends on whether 8 cm is the radius or diameter of the semicircle.


If the diameter of a circle is 12 inches how long is the radius?

Diameter of a circle is defined as twice the radius. So if diameter is 12, the radius is 6.


If the diameter of a circle is 12 cm long how long is the radius?

The radius would be 6 cm because the diameter is 2 times bigger than the radius.


If a radius is 15 inches long, how long is a diameter?

The radius of a circle is half the diameter, thus your measurement is 30 inches


Diameter of a circle is 16cm what is the radius?

The diameter of a circle is the length of a straight line from a point on the edge of the circle passing through the center of the circle and onto a point on the opposite edge of the circle. The radius of a circle is the length of a straight line from the center of a circle to a point on the edge of the edge of the circle. So the radius of a circle is half its diameter, in this case 8cm.