Write a Shell script that contains a function to calculate the area of a circle and display the system date at the end of the output as shown in Figure 1. Formula: area = PI*radius*radius, where...

Extracted text: Write a Shell script that contains a function to calculate the area of a circle and display the system date at the end of the output as shown in Figure 1. Formula: area = PI*radius*radius, where PI=3.14 Figure 1: Sample output Shell Scripting exercise: Calculating Circle Area Please enter the radius value: 3.0 Area of the circle with radius 3.0 is 28.26 Sat 08 May 2020 09:20:49 AM EDT