9000045705 | math4u.vsb.cz

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9000045705

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1

Find the formula for the radius

r

of the circle circumscribed to the right triangle.

r = \frac{a}{2 \cdot \sin α}

r = \frac{2 a}{\sin α}

r = \frac{a}{\sin 2 α}

r = \frac{a}{\sin α}