Question

plzzzz give me this solution

Answer 1

Answer:

Step-by-step explanation:

TSA of cuboid= 2(lb+lh+bh)

340 sq.cm = 2(5L+3L+15)

170 = 8L+15

8L = 155

L= 155%8

  = 19.37 cm

Answer 2

Answer:

step-by-step explanation:-
TSA of cuboid =2(lb+lh+by)
340 Sq. cm=2(5L+3L+15)
170=8L+15
8L=155%8
=19.37cm