In the adjoining figure,
AB and AC are equal chords of a circle.
Line m is parallel to the tangent at
point A and intersects the chords at
point D and point E respectively.
Prove that AD = AE
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Step-by-step explanation:
angle ABC =angle ACB ( AB=AC)
as line m is parallel to PAQ
angle PAD = angle ADE
angle QAE = angle AED
and BC is parallel to line m
angle B = angle ADE =angle PAD
angle C= angle AED =angle EAQ
Therefore, angle ADE = angle AED
Therefore, AD =AE
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