A piece of wire was used to construct the outline of a cuboid 15 cm by 11 cm by 30 cm.What was the total length of wire used for the cuboid?
What was the total length of wire used for the cuboid ?
length = 4a+4b+4c = 4 * 15cm + 4 * 11cm + 4 * 30cm = 4 * (15cm + 11cm + 30cm) = 4*56cm = 224cm