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