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dannysanchez10
dannysanchez10 dannysanchez10
  • 08-02-2017
  • Mathematics
Answered

how do you find the missing side ?

how do you find the missing side ? class=

Verified Answer :

PsychrolutesMarcidus
PsychrolutesMarcidus PsychrolutesMarcidus
  • 08-02-2017

I'm going to assume you know SOA, CAH, TOA

Looking at angle 71 with hypotenus x and adjacent side 12
-----> We can use CAH

cos(ANGLE) = adjacent/hypotenus
 cos(ANGLE) = adjacent/x
x= adjacent/cos(ANGLE)
  = 12/cos71
  = 36.859

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