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Standard VI

Mathematics

Construction of a Circle with Known Radius

Draw a circle...

Question

Draw a circle with centre O and radius $2.5$ cm. Draw a chord $A B$ passing through its centre. The $∠ A O B$ is:

180^{o}

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270^{o}

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90^{o}

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0^{o}

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Solution

The correct option is A $180^{o}$

Chord AB passing through the centre of a circle .
Therefore it is the diameter of a circle and diameter makes $180^{\circ}$ at the centre of a circle
So , $∠ A O B = 180^{\circ}$

option A is the answer.

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Similar questions

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Question 7

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Draw a circle with centre O and radius 2.5cm. Draw a chord AB passing through its centre. The ∠AOB is:

The correct option is A 180oChord AB passing through the centre of a circle .Therefore it is the diameter of a circle and diameter makes 180∘ at the centre of a circleSo , ∠AOB=180∘option A is the answer.

Draw a circle with centre O and radius $2.5$ cm. Draw a chord $A B$ passing through its centre. The $∠ A O B$ is:

The correct option is A $180^{o}$

Chord AB passing through the centre of a circle .
Therefore it is the diameter of a circle and diameter makes $180^{\circ}$ at the centre of a circle
So , $∠ A O B = 180^{\circ}$

option A is the answer.