A Biycle wheel has a diameter of 52cm.
What is the radius of a wheel?

The radius of each circle is 3.7m
What are the width and length of the rectangle?
The string stretched between a fixed point and pencil is 75.5cm long
If the pencil is used the draw a circle what will the diameter of the circle be?
A yellow circle is placed in the middle of a blue circle.
The radius of the blue circle is 14.9cm and the radius of the yellow circle is 7.9cm
What is the distance of XY?