✔️prove that the tangent at any point of a circle is perpendicular to the radius through the point of contact.✔️
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GIVEN: A tangent AB with point of contact P
TO PROVE THAT:AB⊥ OP
PROOF:Consider a point C on tangent AB other than P
Point C must lie outside the circle.
(°•°Tangent can have only one point of contact with the circle)
OC>OP (°•°C lies outside the circle)
OK is shortest distance between the point O & tangent AB.
AB⊥ OP
The shortest distance of a point from a line segment is the perpendicular distance of the point form the line segment.
Good luck for your exam!
#BE BRAINLY
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