Question

[4] The radius of a circle is 7 cm. Its circunference is​

Answer 1

Step-by-step explanation:

So, the correct answer is “the area of the given circle with radius 7 is given by 154 sq. cm and the circumference is given by 44 cm respectively.”.

Answer 2

Answer:

Step-by-step explanation:

So, the correct answer is “the area of the given circle with radius 7 is given by 154 sq. cm and the circumference is given by 44 cm respectively.”.

We can calculate the circumference from the area of the circle also that is by multiplying the area by 2 and then dividing it by the radius. This is a simple technique that can also be derived by using the formula of circumference and area of a circle.