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Anna [14]
3 years ago
9

Please help me!! ......

Mathematics
1 answer:
fenix001 [56]3 years ago
4 0

Answer:

b)480 cm^2

Step-by-step explanation:

perimeter=(16+12+20) cm

=48 cm

lateral surface area= perimeter × height

=48×10 =480 cm^2

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