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Python: Test AB and CD are orthogonal or not

Python Basic - 1: Exercise-55 with Solution

There are four different points on a plane, P(xp,yp), Q(xq, yq), R(xr, yr) and S(xs, ys). Write a Python program to determine whether AB and CD are orthogonal.

Input:
xp,yp, xq, yq, xr, yr, xs and ys are -100 to 100 respectively and each value can be up to 5 digits after the decimal point It is given as a real number including the number of.
Output:
Output AB and CD are not orthogonal! or AB and CD are orthogonal!.

Sample Solution:

Python Code:

while True:
    try:
        print("Input xp, yp, xq, yq, xr, yr, xs, ys:")
        x_p, y_p, x_q, y_q, x_r, y_r, x_s, y_s = map(float, input().split())
        pq_x, pq_y = x_q - x_p, y_q - y_p
        rs_x, rs_y = x_s - x_r, y_s - y_r
        rs = pq_x*rs_x + pq_y*rs_y
        if abs(rs) > 1e-10:
            print("AB and CD are not orthogonal!")
        else:
            print("AB and CD are orthogonal!")
    except:
        break

Sample Output:

Input xp, yp, xq, yq, xr, yr, xs, ys:
 4.5 -2.5 -2.5 4.5 3.5 3.5 3.8 -3.5
AB and CD are not orthogonal!

Flowchart:

Flowchart: Python - Test AB and CD are orthogonal or not

Python Code Editor:

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