In a triangle, the measure of the second angle is twice the measure of the first angle. The third angle is equal to the sum
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Answer:
<h2>r = 10</h2>Step-by-step explanation:
The equation of a circle in standard form:
(h, k) - center
r - radius
We have the equation:
Therefore we have
the center (0, 0)
radius r = 10
