What would be the best way to write this program?

Question

Create a program that can determine the following facts about a triangle based on user input:

The user should select if they want to test based on angles or sides, then enter three values. The program should then return the results based on the user’s input.
Types of Triangles – Based on Angles
Right Triangle – At least one (1) interior angle is exactly 90°
Acute Triangle – All interior angles are less than 90°
Obtuse Triangle – At least one (1) interior angle is greater than 90°
Types of Triangles – Based on Sides
Equilateral Triangle –All sides must have the same length
Isosceles Triangle – At least two (2) sides are the same length
Scalene Triangle – All sides are unequal in length
The program should validate the triangle based on the following rules:
-	The sum of the three angles should be 180
-	The sum of any two sides must be greater than the length of the third side

My main thing is making the declarations. I can pretty much guide myself but instructor doesn't like the way my pseudocode turns out.

Michael · Accepted Answer

Input:
Ask for user input A: Angles or B: Sides
input = Get User Input x3 (store in an array)

Validation:
sum the elements of the array, then run the sum through a switch statement or some other conditional

Functions:
checkRightTriangle(input)
    return true/false;
checkAcuteTriangle(input)
    return true/false
.....etc

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What would be the best way to write this program?

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