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Number of Measurements Necessary for Construction of a Unique Quadrilateral

Let A B and C...

Question

Let and be two straight lines intersecting at O. Let be the bisector of ∠BOD. Draw between such that.

Prove that bisects ∠DOA.

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Solution

Let. It is given that

Now,

AB is a straight line

Hence, OY is the bisector of angle DOA.

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Number of Measurements Necessary for Construction of a Unique Quadrilateral

Standard VIII Mathematics

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