Answer: D.680
Step-by-step explanation:
Common difference = -16-(-20) = 4
nth term = -20+(n-1)4
Answer:
90 degrees
Step-by-step explanation:
Angle BGD is supplementary with angle DGE.
BGD + DGE = 180
Since angle DGE is a right angle, then Angle BGD must also be a right angle:
BGD + 90 = 180
BGD = 90
The answer is D because if you add all the same terms you get the answer
