29-07-2021
Mathematics

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3. (a) Determine the sum of the interior angles of the polygon below.

(b) Determine the measure of the angle indicated by the letter, a, in the polygon.

3 a Determine the sum of the interior angles of the polygon below b Determine the measure of the angle indicated by the letter a in the polygon class=

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29-07-2021

Answer:

A) 720

B) a=120

Step-by-step explanation:

A) 6 sided polygon interior angle sum is (6-2)*180=720.

B) 90+110+115+160+125+a=720, a=120

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