Question

What is the relation between the radius of a rectangle and a circle?​

Answer 1

Answer:

Since the area of that rectangle is twice the area of the circle, then the area of the circle is half the base times the height. It will be half of 2πr· r. The area of the circle will be πr2. In the next Topic, we will see how to find the area of a circle by the method of inscribled polygons.

Answer 2

Answer:

a radius is the line joining the centre of the circle to any point on the circumference.

while circle is a complete