Question

Write an algorithm and draw a flowchart to input the radius of a circle and display it's area.​

Answer 1

Answer:

1. Enter radius

2.Initialize variable a pi as 3.14159 or 22/7 (if using JAVA use "Math.PI")

3.Circle area = PI*r*r

4. Display area

Explanation:

Flow chart

Start

|

"Enter Radius",r

|

Area = 3.14*r*r

|

Print Area

|

Stop

Answer 2

Algorithm:

1. Start

2. Read the input value for radius of a circle and store the result into a variable named Area

3. Print the result stored in the variable Area

4. Stop