You can see the polygon in the attached figure.
It's a trapezoid, so it's not equilateral, nor regular.
(−5)(2)−2(−3)+3 ( -5 )( 2 ) - 2 ( -3 ) + 3
=-10+6-30+6+3
=15-40
=-25
Answer:
Steps shown below
Step-by-step explanation:
We will simplify this using definitions and identities. Let's start.

Using
, we have:

Using
, we have:

Hence, proved.
Answer:
it is 80°
cause it is coming from the same cord AB
O and C will be same