Answer:
Tn = 17-6n
Step-by-step explanation:
d = 5-11 = -6
Tn = a + (n-1)d = 11 + (n-1)×-6
= 11 -6n +6 = 17-6n
it is d. d is the answer
c
Given
See attachment
Required
Determine the measure of
and are on a straight line.
So:
--- angle on a straight line
Substitute known values
Collect like terms