$AB$ is a diameter of a circle and $BC$ a chord equal to the radius. If tangents at $A$ and $C$ meet at $D$, then $ ria

Question

$AB$ is a diameter of a circle and $BC$ a chord equal to the radius. If tangents at $A$ and $C$ meet at $D$, then $	riangle ACD$ is—

Accepted Answer

equilateral

Answer

right-angled

Answer

isosceles only

Answer

scalene

ABABAB is a diameter of a circle and BCBCBC a chord equal to the radius. If tangents at AAA and CCC meet at DDD, then △ACD\triangle ACD△ACD is—