90. Add the zero in front of the 9.
120°
the sum of the interior angles of a polygon = 180°( n - 2)
where n is the number of sides
here n = 6 ⇒ sum = 180° × 4 = 720°
thus each interior angle =
= 120°
A. a 90 degree counterclockwise rotation about the origin
Answer:
B
u just subsitute in each inequality form and so u will find the only one that is right is letter b
-4 is x
-2 is y