naomimae4
naomimae4 naomimae4
  • 20-04-2020
  • Mathematics
contestada

Find the length of the unknown side. Round your answer to the nearest tenth. (4 points)






Group of answer choices


65.4


70.5


72.8


93.0

Find the length of the unknown side Round your answer to the nearest tenth 4 pointsGroup of answer choices654705728930 class=

Respuesta :

kinsley10
kinsley10 kinsley10
  • 20-04-2020
answer: 72.8

explanation: a^2+b^2=c^2
18^2+b^2=75^2

18^2=324

75^2=5625

324+b^2=5625
-324 -324
b^2=5301
take the square root of both sides
√b^2=√5301
b=72.807966
so b=72.80
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