What is the sum of the interior angles of a polygon that has 16 sides
1 answer:
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A 45° sector is 1/8 of the area of the circle, so is (72π m^2)/8 = 9π m^2.
Answer:

Step-by-step explanation:

Answer:x=15
Step-by-step explanation:
You should collect the like terms first
21-6=x
Therefore
X=15
The answer would be y = 9