ArunApproved Tutor Answer8 Years agoDear Raju For end correction x (L2 + x) / (L1 +x) = 3/4 / /4 = 3 x = (L2 – 3* L1) / 2 x = 70.2 – 3* 22.7 / 2 = 1.05 cm RegardsArun