20.The interior angle sum of polygon with 7 sides is
opsen is
1. 900°
2. 1080°
3. 1440°
4. 720°
Answers
Answered by
1
Answer:
1 900° is the answer
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Answered by
0
Answer:
1
Step-by-step explanation:
external angle is
360/7
so internal angle will be
180-360/7
(1260-360)/7
900/7
sum of internal angle
=( 900/7)×7
= 900 answer
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