ok fine I have sent this question to algebra calculator site they will send u notif on ur phoen with answer
Answer:
I think it's 600 I think it might be wrong
This is a geometric sequence and the common ratio is 0.5.
So, the next term will be 2.75.
Supplementary angles: sum of the angles measure to be 180º
180º-A= B
Plug in...
180º-80º= 100º
So, angle B must be 100 degrees.
