How much sheet (in m2) is required to make an open cuboidal tank of L=5 m, B=10 m and H=3 m?140

How much sheet (in m2) is required to make an open cuboidal tank of L=

1.	How much sheet (in m2) is required to make an open cuboidal tank of L=5 m, B=10 m and H=3 m?140
Answer» How much sheet (in $m^{2}$ ) is required to make an open cuboidal tank of L=5 m, B=10 m and H=3 m? 140