Question

the lenght of the chord of unit circle subtending at the center an angel of 144° is​

Answer 1

Answer:

The length of a chord which subtends an angle of at the centre of the circle is times the radius of the circle. If PR & PQ are tangents to a circle with center O from external point P, PR=PQ = 9 cm & ∠ QPR= 60˚.

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Answer 2

Answer:

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