in the adjacent figure chord ab and diameter PQ of a circle with Centre O meets at x if x is equal to 5 cm is equal to 10 centimetre and the radius of the circle is 6 and compute the length of a b also find the length of tangent drawn from x to the circle
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Answer:Since CS is perpendicular To AB and co passes through center. CD bisects AB
⟹AE=BE where E is the point of intersection of AB and CD
In △ADE and △BDE
ED is common
∠DEA=∠DEB=90
AE=BE
By SAS congruency the 2 triangles are congruent
AB=BD
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