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PR is a tangent to a circle with centre O and radius 4 cm at point Q. If ∠POR = 90°, OR = 5 cm and OP = 20/3 cm, then the length of PR is:1). 3 cm2). $\frac{16}{3}\ cm$3). $\frac{23}{3}\ cm$4). $\frac{25}{3}\ cm$ |
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