Help me please I suck at this

Radius is 4.2

Diameter is 8.4

Step-by-step explanation:

diameterd=2r

d=2×4.2

d=8.4

Plz mark as brainllest

The answer for radius is 4.2 cm. The answer for diameter is 8.4 cm.

Step-by-step explanation:

If the line cuts halfway through the middle it is a radius, as you can see there. It says 4.2 cm, so that's your radius. If the line is straight through the circle and not cut in half then it is a diameter. The radius is half of the diameter. So if you add 4.2 or multiply 4.2x2 then you get 8.4 which is your diameter.

the answer is 24

step-by-step explanation:

what shape is