In the figure, if AB = CD and ∠ABO = 35∘. What is the value of ∠DCO in

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In the figure, if AB = CD and $∠$ ABO = $35^{\circ}$ . What is the value of $∠$ DCO in degrees?

___

Options:

Answer: Option A
:

In $△$ AOB and $△$ DOC,
OB = OC (Radii of the same circle)

OA = OD (Radii of the same circle)

AB = CD (Given)

$△$ AOB $≅$ $△$ DOC (By SSS congruence condition)

So, $∠$ ABO = $∠$ DCO = $35^{\circ}$ (Corresponding parts of congruent triangles)

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