bethdove1776 bethdove1776
  • 09-01-2024
  • Mathematics
contestada

Let PQ and RS be tangents at the extremities of the diameter PR of a circle of radius r. If PS and RQ intersect at a point X on the circumference of the circle, then 2r equals :
A. √PQ.RS
B. (PQ+RS)/2
C. (2 PQ . RS)/PQ+RS
D. √(PQ²+RS²)/2

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