Question

plz solve this answer ​

Answer 1

Answer:

Given:

Radius = OD = OC = 20cm

Distance From Chord = OP = 12cm

Length of Chord = CD

Now,

CD = CP + PD

Let, CP = PD = x cm

According to Pythagoras Theorem:

In Triangle OPD:

OD^2 = OP^2 + PD^2

=> PD^2 = OD^2 - OP^2

=> x^2 = (20)^2 - (12)^2

=> x^2 = (400 - 144)

=> x^2 = 256

=> x * x = 16 * 16

=> x = 16 cm

=> CP = PD = 16 cm

=> CD = CP + PD = 16 + 16 = 32 cm

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