Question

If total surface area of cuboid is 166cm,height 4cm,base 5cm what is the value of l​

Answer 1

Answer:

I=7

Step-by-step explanation:

166=2(bh+hi+ib)

9i=83-20

9i=63

i=7

Answer 2

Step-by-step explanation:

SA=2lb+2lh+2hb

166=2l(5)+2l(4)+2(4)(5)

166=10l +8l +40

18l=166-40

l=126/18

l=7cm