Answer:
8th term = 61
Step-by-step explanation:
See attached image
Oh whats that thiers something called a calculator
Answer:3x+6=2x+21 base angle of isosceles triangle
3x-2x=21-6
X=15
<J=3×15+6=51
<k=2×15+21=51
,<I=180-51-51=78
You are right it is 80.
