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givi [52]
3 years ago
10

How to find interior angles of a polygon?

Mathematics
1 answer:
goldenfox [79]3 years ago
7 0
<span>The sum of the measures of the interior angles of a polygon with n sides is            (n – 2)180.The measure of each interior angle of an equiangular n-gon is.<span>If you count one exterior angle at each vertex, the sum of the measures of the exterior angles of a polygon is always 360°</span></span>
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Find the factors of 9q²-45pq+8q-40p
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Answer:

(x−5y)(9x+8)

Step-by-step explanation:

9x^2−45yx+8x−40y

Do the grouping 9x^2−45yx+8x−40y=(9x^2−45yx)+(8x−40y), and factor out 9x in the first and 8 in the second group.

9x(x−5y)+8(x−5y)

Factor out common term x−5y by using distributive property.

(x−5y)(9x+8)

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