Question

the surface area of a cuboid is 1300 cm if its lenght is 20 cm breath is 15 cm find height

Answer 1

Answer:

answer is 10 cm

Step-by-step explanation:

2(lb+bh+hl)=1300

(20*15+15*h+20*h)=1300/2

300+15h+20h=650

35h=650-300

h =350/35

h=10

Answer 2

Answer:

ans:10cm

Step To Step Explaination

2×(20×15+20h+15h)=1,300

(300+20h+15h+)=1,300/2

20h+15h=650-300

35h=350

h=350/35

h=10