How to find circle area with user input value

Question

Plz tell me. Very important quiz.
I am learning now.

Answer 1

can you send code plz

Answer 2

mirshath
Which language?

Answer 3

For python the code is:

import math

r = float(input())
print(math.pi*math.pow(r,2))

Answer 4

couldnt understan. can you clear ly explan plz

Answer 5

mirshath the formula for circle's are is
Area = pi*radius*radius

For using pi you should import math module then get radius from user using input() method and store it in variable r, at last print pi multiply by (r) in power of two (math.pow(r,2))