the sum of length ,breath depthof a cuboid is 19 cm and the length of diagnal is 7 cm find its surface area Share with your friends Share 0 Abhishek Kr. Jha answered this Refer the link:https://www.meritnation.com/ask-answer/question/the-length-of-diagonal-of-a-cuboid-is-55-cm-and-the-s/surface-areas-and-volumes/7186897 0 View Full Answer