Question

In the figure the diameter of the circle is 20 cm. Two parallel chords are drawn in the circle. They are AB=16 cm and CD=12 cm find the distance between these chords

Answer 1

Step-by-step explanation:

Let the parallel chords be AB = 16 cm and CD = 12 cm in the circle of radius R = 10 cm. Let the midpoint of AB be P, that of CD, Q and the center be O.

OP = [10^2–8^2]^0.5 = 6 cm

OQ = [10^2–6^2]^0.5 = 8 cm

Hence PQ = 6+8 = 14 cm

Answer 2

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