Here, in this python program we will learn to find the area of a triangle and display the result. The program consists of if condition where we need to find the area either by base-height formula or side formula.

    Algorithm:

  1. Input the choice from the user to identify the area and display it.
  2. Using if condition, we find the area either by base-height formula or side formula.
  3. print the result/area of triangle.
  4. Exit 

Code:

a=int(input("area with sides(1) or base-height(2) :"))

if a==2:

    b=int(input("enter the base:"))

    h=int(input("enter the height:"))

    area= float(0.5*b*h)

    print("area is", area)

else:

    s1=float(input("enter side 1:"))

    s2=float(input("enter side 2:"))

    s3=float(input("enter side 3:"))

    s=float((s1+s2+s3)/2)

    area = (s*(s-s1)*(s-s2)*(s-s3)) ** 0.5

    print("area is", area)

 

Output: 

area with sides(1) or base-height(2) :2

enter the base:2

enter the height:4

area is 4.0




area with sides(1) or base-height(2) :1

enter side 1:4

enter side 2:4

enter side 3:2

area is 3.872983346207417

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CopyRight © 2019