Question

Write an algorithm to calculate the area of a circle

Answer 1

$\pi {r}^{2}$

$where \: r \: is \: radius \: of \: circle$

Answer 2

Answer:

C program to calculate area of the circle(flowchart)

1. start  

2. input r

3. cir=3.14*r*r

4. print cir

5. stop

Step-by-step explanation: