Question

Two cubes, each of side 15 cm joined end to end. Find the surface area of the resulting cuboid. ​

Answer 1

Answer:

Step-by-step explanation:

L of new cuboid =15+15=30

B=15

H=15

SA=2(LB+BH+HL)

=2(30×15+15×15+15×30)

=2(450+225+450)

=2×1120

=2240cm2