Find the sum of the measures of the interior angles of the indicated convex polygon 21-gon
1 answer:
Sum of all interior angles on a polygon is
180( n - 2) n = number of sides in the polygon.
now, this one is is a 21-gon, thus the sum is 180( 21 - 2).
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60/4= 15
15 x 3 =45 minutes
m = (y2-y1)/(x2-x1)
m = (9-5)/(3-2)
m = 4
Substitute the values in y= mx + c,
5 = (4)(2) + c
5 = 8 + c
c = -3
Thus, the equation is y= 4x -3
Answer:
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Step-by-step explanation:
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