Question

4. Find the cost of painting 15 cuboids of
dimensions 16 cm x 12 cm x 8 cm at the rate of
250 per m²
11.1. with dimensions​

Answer 1

Answer:

area of the cuboid=2(lb+bh+lh)

area of cuboid =2(20×15+15×12+20×12)

=2×300+180+240

=2×720

=1440cm square

cost for per square cm= 5 paise

cost for 1440 square cm= 1440×5=7200 paise

= 72 rupees

HOPE IT HELP YOU                        THANKS

Step-by-step explanation: