Answer:
n = 5 terms
Step-by-step explanation:
An = a1 + (n-1)d
9 = 3 + (n-1) 3/2
9 = 3 + 3/2n - 3/2
9 = 3/2 + 3/2n
9 - 3/2 = 3/2n
(15/2) / (3/2) = n
30/6 = n
Answer:
84 degrees
Step-by-step explanation:
A right triangle is 90 degrees
90-4-2=84
30
Step-by-step explanation:
Answer:
Last one I think
Step-by-step explanation:
