WILL MARK BRAINLYISTwhich shows the correct substitution of the values a b and c from the equation 0=-3x^2-2x+6
2 answers:
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Answer:
<h2>25</h2>Step-by-step explanation:
So there is this property,
Sum of two angle of triangle = exterior angle
So based on this we can form an algebraic equation (NOTE: this is an equilateral triangle so all the sides are 60°)
So it's option B.