Write a C++ program to input the angles of a triangle and check whether the triangle is valid or not. You need to use the switch statement.

## Flowchart to check that triangle is valid or not

## C++ code to get the angles of a triangle and show that the triangle is valid or not

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#include<iostream> using namespace std; int main() { int a1,a2,a3,add; cout<<"enter angle1 of triangle "; cin>>a1; cout<<"enter angle2 of triangle"; cin>>a2; cout<<"enter angle3 of triangle"; cin>>a3; add=a1+a2+a3; switch (add) { case 180: cout<<"triangle is valid"; break; default: cout<<"triangle is not valid"; } return 0; } |

**Output**

enter angle1 of triangle 33

enter angle2 of triangle 44

enter angle3 of triangle 66

the triangle is not valid

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