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Goshia [24]
3 years ago
9

HELP? Please? urgent? will give brainliest to the first CORRECT answer

Mathematics
1 answer:
Sholpan [36]3 years ago
6 0

Answer:

390 cm squared

Step-by-step explanation:

15 x 20 = 300

1/2 x 15 x 12 = 90

90 + 300 = 390

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