Question: An isosceles triangle is circumscribed about the unit circle so that the equal sides meet at the point (0, a) on the y-axis (see the

An isosceles triangle is circumscribed about the unit circle so that the equal sides meet at the point (0, a) on the y-axis (see the figure). Find the value of a that minimizes the lengths of the equal sides. (You may be surprised that the result does not give an equilateral triangle.).

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