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Question

Sumer

In the given figure, ∠AOB = 90° and ∠ABC = 30°. Then, ∠CAO = ?

  • #grade9,#geometry,#anglesubtendedbyachordatapoint,#circle

2021-10-10 09:54:27

Prashant

Given:

AB = CD

We know that angles subtended from equal chords at center are equal.

∴ ∠ AOB = ∠ COD

∴ ∠ COD = 80°

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