nancej46
nancej46 nancej46
  • 25-04-2020
  • Mathematics
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finding the missing length of the triangle (by rounding to the nearest tenth?)

finding the missing length of the triangle by rounding to the nearest tenth class=

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giarusso370
giarusso370 giarusso370
  • 25-04-2020

Answer: D; 19.4

Step-by-step explanation: 8^2+b^2=21^2

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