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11-10-2020
Mathematics

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A chord in a circle is 16cm long and its perpendicular distance from the centre is 6cm. what is the radius of the circle

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11-10-2020

Answer:

10 cm

Step-by-step explanation:

the perpendicular from centre bisect the chord in equal halves. hence you can use pythagoras therom as

r^2 = 6^2 + 8^2

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