In a circle with centre P. Diameter of the circle is 20 cm. The chord AB is at distance of 6 cm from the centre of the circle then find the length of AB.
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12
Answer:
16
Step-by-step explanation:
Daimeter =20
radius=10
distance of a perpendicular line from centre to chord is 6cm so using Pythagoras theorem
20*2=6*2+x*2
so,x=8
and length of AB=8×2=16
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