Answer:
900
Step-by-step explanation:
Sum of interior angle for a polygon = (n-2)180
7 sides
=(7-2)180
=5*180
=900
77-2 = 75 so that is another way :) yet, you can do 5*15 :)
Mark as brainliest pleases and thank you!
Answer: I don't know about the formula, but consider the logic below.
Step-by-step explanation:
Martina = 12
Joey = 0
12 x 3 = 36
36 - 3 = 33
If Joey was 21, Martina would be 33.
Answer:
x = 20
Step-by-step explanation:
Didn't get the question quite well...
