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How do you find the missing side ?

How do you find the missing side ?
asked 197 views
3 votes
How do you find the missing side ?

How do you find the missing side ?-example-1
asked
User Rokas
by
8.1k points

1 Answer

3 votes
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
answered
User Nick Res
by
8.8k points
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