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Question
A circle with center O and radius 5 cm has two chords AB and AC, such that AB = AC = 6 cm. If by joining B and C the line segment passes from the center of the circle O, then what is the length of BC?
Options:
A .  5 cm
B .  9 cm
C .  10 cm
D .  11.9 cm
Answer: Option C
:
C
As the line segment BC passes through the center, it means that it is a diameter of the circle.
Given that radius of the circle = 5 cm
Diameter = 5 + 5 = 10 cm

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