Question

2(lb+bh+lh) when l=5 b=3 and h=1

Answer 1

2(5×3+3×1+5×1)

=2(15+3+5)

=2(23)

=46

Answer 2

the question is very easy we just have to put the values.

l= 5, b = 3 and h = 1

2(lb + bh + lh)

2 (5*3 + 3*1 + 1*5)

2 (15 + 3 + 5)

2 * 23

46 is the answer