marziel24
15.10.2020 •
Mathematics
Find the unknown angle:
R?
17
330
30
S
Solved
Show answers
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Ответ:
Step-by-step explanation:
Label the triangle (Best for organization)
Longest side of the triangle is called the Hypotenuse, or Hyp.
Shortest side of the triangle is called the Opposite, or Opp.
Last side of the triangle is called the Adjacent, or Adj.
Formula
x*=
Find the inverse (value for "?")
sin x*=17/30
x*=
34.5*-->35*
?=35*
Triangle interior angles amount in 180 degrees
180-(35+33)=112*
Exterior angle equals the two opposite interior angles (aka/ defined as the Exterior Angle Theorem)
R=33*+112*
R=145*
Ответ:
D
Step-by-step explanation: