brainst1
brainst1 brainst1
  • 24-05-2017
  • Mathematics
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please help on question 2 and 12

please help on question 2 and 12 class=

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alyssiaalize alyssiaalize
  • 24-05-2017
2) a. 21 cm
    b. 22 cm^2

12) a. 13 cm
     b.15 cm^2
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