A 40 inch board is to be cut into three pieces so that the second price is 4times as long as the first piece and the third piece
1 answer:
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You are right. In circle equation we have =r² so the correct answer will be C od D. But we have to calculate the center of a circle.
Complete the square:
And we have:
So the answer is C (the same left side of equation).
Complete the square:
And we have:
So the answer is C (the same left side of equation).