Question

write an algorithm and flowchart to find the area and perimeter of square

Answer 1

I hope you like it.
Let me know in the comment section & ask me if you need the program!

Answer 2

Get the input from the user, then apply steps 4 & 5 and calculate the perimeter of the squre.

algorithm and flowchart to find the area and perimeter of square :

Step 1: Start

Step 2: A square's size is directly proportional to the square of the length of one of its sides.

Step 3: The square's circumference is four times the length of its sides.

Step 4: Allow 'a' units for the length of a square's side.

Step 5: $4 * a$ is the perimeter.

Step 6: Calculate the perimeter that uses the user's input and apply the outcome to some other variable.

Step 7:Stop