Answer:
The answer should be C
Step-by-step explanation:
we know that
the triangle AOB is congruent with triangle AOC
because
AB=AC
OB=OC-----> the radius of the circle
The OB side is common
but
there is no additional information that allows me to calculate the OBA angle to determine if it is a right angle
therefore
the answer is the option
C.There is no indication that AB and AC are perpendicular to the radii at the points of intersection with the circle.
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