AB is a diameter of the circle with center O .if AC and BD are perpendicular on a line Pq and BD meets the circle at E then prove that AC = ED
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look close, angle BEA=90 deg.
Hence, angle CAE=90 deg
making quad ACDE a rectangle. By a rectangle's property,AC=ED
Hence, angle CAE=90 deg
making quad ACDE a rectangle. By a rectangle's property,AC=ED
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14
Diameter of the circle = AB (Given)
Centre of the circle = O (Given)
AC ⊥ BD on line = PQ (Given)
Thus,
By property of angles,
∠AEB = 90°
Similarly,
All the angles in the quadrilateral AEDC will be = 90°
Therefore, AEDC is a rectangle
Since AEDC is a rectangle then AC = ED as opposite sides of rectangle are always equal.
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