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g100num [7]
2 years ago
5

Please help!! Would be appreciated:)

Mathematics
2 answers:
Art [367]2 years ago
6 0

Answer:

A. 21

B. 19

Step-by-step explanation:

Happy to help!

:D

Darya [45]2 years ago
3 0

Answer:

below

Step-by-step explanation:

3 a) 7 * 4 -7

--> 28 -7 =21 cm^2

b) 19 cm^2

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