a) how many diagonals can be drawn from a vertex of a 20 sided polygon. b) how many triangles can be made by these diagonals? c) what is the sum of all the angles of this polygon?
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Answered by
2
Answer:
a) 170 diagonals
b) two triangles
c) 180°
Answered by
0
Answer:
a). 170,
b). 370,
and c). 3240
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