उत तर:
# ड = 21.023 #
स पष ट करण:
द र स त र ह # d = sqrt ((y_2-y_1) ^ 2 + (x_2-x_1) ^ 2) #
# (- 12,4) और (9,3) #
# x_1 = -12 #
# y_1 = 4 #
# x_2 = 9 #
# y_2 = 3 #
# d = sqrt ((y_2-y_1) ^ 2 + (x_2-x_1) ^ 2) #
# d = sqrt ((3-4) ^ 2 + (9 - (- 12)) ^ 2) #
# d = sqrt ((- 1) ^ 2 + (21) ^ 2) #
# d = sqrt (1 + 441) #
# D = sqrt (442) #
# D = 21.023 #
