State and solve theorem 1st of circle of class 10th
HarishAS:
Can u state that theorem
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Answered by
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Hey friend, Harish here.
Here is your answer. ( Refer to the image also )
Given that:
i) A circle with centre O.
ii) A tangent l touch the circle at the point A .
To Prove:
AO ⊥ Tangent L.
Construction:
Construct a Line OB where B is any point on the Tangent.
Proof:
We know that,
OC = OA
OB > OC
Then, OB > OA where "B" Is a random point taken on the tangent l.
When we construct some other line from O to any random point on the tangent, it is greater than OA.
So, OA being the shortest of all must be perpendicular to the tangent.
( Hence Proved )
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Hope my answer is helpful to you.
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