Answer it plzzzzzzz......
Attachments:
Answers
Answered by
0
Answer:
b) 90 is the answer
Step-by-step explanation:
Mark me as brilliant
Answered by
4
Answer:
so this sum comes under selection of terms in an ap so the AP be
a-d,a,a+d
these are the terms and they also have the same common difference
so the next part says sum of these terms is 180 so when we add the terms we get
3a=180 or a=60
so the answer is OPTION A 60
hope you got it
have a great day!!!iii
Step-by-step explanation:
Similar questions