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Lesechka [4]
2 years ago
6

Surface area math. show work

Mathematics
1 answer:
fenix001 [56]2 years ago
8 0

Answer:

20= 48

21. 128

22. 200

Step-by-step explanation:

number 20 the 4mm is halfway so its 8 and 6x8=48

number 21 8x16=128

number 22 the ten is 1/4th of the portion of the pyramid if there's 4 10s than that = 40 and 40x5=200

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