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Python program to find the area of a triangle

Mathematical formula:

Area of a triangle = (s*(s-a)*(s-b)*(s-c))-1/2

Here is the semi-perimeter and a, b and c are three sides of the triangle. Let's understand the following example.

See this example:


Enter first side: 5
Enter second side: 6
Enter third side: 7
The area of the triangle is 14.70

Explanation -

We take the input as three sides of a triangle and store them in three variables a, b, and c. Then, we have calculated the semi-perimeter of the triangle and put this value in the triangle's area formula.

Note - %0.2f floating-point specifies at least 0 wide and 2 numbers after the decimal. If you use %0.5f, then it will give 5 numbers after the decimal.

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