You would substitute all x's with the number 30, so the answer would be f(30)=-1 or y=-1
Answer:
(n-2) × 180°
Step-by-step explanation:
Sum of interior angles for a polygon = (n-2) × 180°
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you have found is yourself!
hope im right but i think it 1 sorry if im wrong
Answer:
Step-by-step explanation:
find the value of t