Answer:
A. d + c = 50
4d + 2c = 174
Step-by-step explanation:
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The answer is 4=97 1=83 3=83
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Answer:
Reference angles are always acute.
We can find the reference angle with the "formula"
π
−
θ
, where
θ
is our given angle.
We can plug
5
π
6
into our expression to get
π
−
5
π
6
=
6
π
6
−
5
π
6
=
π
6
Thus, our reference angle is
π
6
Sum of angles has to be 360. In squares 90, but not necessarily in a rhombus.
