# this program will calculate the third side by using phythegrasos theorm: import math # this is necessary for the formula particularly sqr sideA = input("Please enter side A: ") sideB = input("Please enter side B: ") sideC = input("Please enter side C: ") # to find which side is empty use if statement and to refer to empty in coding is '' if sideA == '': sideB = float(sideB) sideC = float(sideC) sideA = math.sqrt(sideC**2 - sideB**2) print(f"Given side C = {sideC} and side B = {sideB}") print(f"Calculated Side A as {round(sideA,4)}") elif sideB == '': sideA = float(sideA) sideC = float(sideC) sideB = math.sqrt(sideC**2 - sideA**2) print(f"Given side C = {sideC} and side A = {sideA}") print(f"Calculated Side B as {round(sideB,4)}") else: sideA = float(sideA) sideB = float(sideB) sideC = math.sqrt(sideA**2 + sideB**2) print(f"Given side A = {sideA} and side B = {sideB}") print(f"Calculated Side C as {round(sideC,4)}")