Design a Geometry class (Geometry.java) with the following methods:
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Design a Geometry class (Geometry.java) with the following methods:
- A static method that accepts the radius of a circle and returns the area of the circle.
Use the following formula:
Area = πr2
Use Math.PI for π and the radius of the circle for r.
- A static method that accepts the length and width of a rectangle and returns the area of the rectangle. Use the following formula:
Area = Length x Width
- A static method that accepts the length of a triangle’s base and the triangle’s height.
The method should return the area of the triangle. Use the following formula:
Area = Base x Height x 0.5
The methods should display an error message if negative values are used for the circle’s radius, the rectangle’s length or width, or the triangle’s base or height.
Write a program (Geometrytest.java) to test the class, which displays the following menu and responds to the user’s selection:
Geometry Calculator
- Calculate the Area of a Circle
- Calculate the Area of a Rectangle
- Calculate the Area of a Triangle
- Quit
Enter your choice (1-4):
Display an error message if the user enters a number outside the range of 1 through 4 when selecting an item from the menu. You are welcome to get user input for items #1-3 if desired, or you can use pre-set values to test. Display the calculated values returned from Geometry.java.
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