Answer:
13.
<S=½(arc TQ- arc TR)=½(143-71)=36°
14.
<E=½(arc DG- arc DF)=½(169-59)=55°
15.
arc PR=180-62=118°{sum of opposite angle of quadrilateral in circle is supplementary)
16.
arc TR =180-47=133°
again
arc T?R=360-133=227°
17.
62+38x+4=180
38x=180-66
x=114/38
x=3
Answer:
Step-by-step explanation:
The imaginary number 'i' is equal to the square root of -1. If you were to square the square root, they both cancel and you get -1.

Answer:
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Step-by-step explanation: