Mathematics, 28.06.2019 15:00 tshegofatso92
Using the polygon angle sum theorem, find x in the graphic abovea) 720°b) 80°c)100°d)120°
Answers
Answer from: Quest
The pie is multyplued by the second step
Answer from: Quest
x² + 3x + 7 = 0 [ax² + bx + c]
a = 1
b = 3
c = 7
quadratic formula:
(+/- is this ±)
plug in the numbers into the variables
your answer is a
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Using the polygon angle sum theorem, find x in the graphic abovea) 720°b) 80°c)100°d)120°...
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