Write a program in CoffeeScript to find and print the area and perimeter of a square with a side length of 7 cm.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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**Programming Exercise: Calculating the Area and Perimeter of a Square using CoffeeScript**

Objective:
Write a CoffeeScript program to calculate and display the area and perimeter of a square with a side length of 7 cm.

Instructions:
1. **Define the side length**: Since the side length of the square is 7 cm, store this value in a variable.
2. **Calculate the area**: The area \(A\) of a square is given by the formula \(A = \text{side} \times \text{side}\).
3. **Calculate the perimeter**: The perimeter \(P\) of a square is given by \(P = 4 \times \text{side}\).
4. **Print the results**: Output the area and perimeter.

Example Code:

```coffeescript
# Define the side length
sideLength = 7

# Calculate the area
area = sideLength * sideLength

# Calculate the perimeter
perimeter = 4 * sideLength

# Print the area and perimeter
console.log("Area of the square: " + area + " square cm")
console.log("Perimeter of the square: " + perimeter + " cm")
```

Explanation:
- **Side Length**: Stored as `sideLength`.
- **Area Calculation**: Multiplies `sideLength` by itself.
- **Perimeter Calculation**: Multiplies `sideLength` by 4.
- **Output**: Uses `console.log` to display the results. 

This exercise helps in understanding basic programming operations in CoffeeScript, including variable declaration, multiplication, and console output.
Transcribed Image Text:**Programming Exercise: Calculating the Area and Perimeter of a Square using CoffeeScript** Objective: Write a CoffeeScript program to calculate and display the area and perimeter of a square with a side length of 7 cm. Instructions: 1. **Define the side length**: Since the side length of the square is 7 cm, store this value in a variable. 2. **Calculate the area**: The area \(A\) of a square is given by the formula \(A = \text{side} \times \text{side}\). 3. **Calculate the perimeter**: The perimeter \(P\) of a square is given by \(P = 4 \times \text{side}\). 4. **Print the results**: Output the area and perimeter. Example Code: ```coffeescript # Define the side length sideLength = 7 # Calculate the area area = sideLength * sideLength # Calculate the perimeter perimeter = 4 * sideLength # Print the area and perimeter console.log("Area of the square: " + area + " square cm") console.log("Perimeter of the square: " + perimeter + " cm") ``` Explanation: - **Side Length**: Stored as `sideLength`. - **Area Calculation**: Multiplies `sideLength` by itself. - **Perimeter Calculation**: Multiplies `sideLength` by 4. - **Output**: Uses `console.log` to display the results. This exercise helps in understanding basic programming operations in CoffeeScript, including variable declaration, multiplication, and console output.
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