Prove that front formed at the centre of a circle by an arc is the double of the angle formed by the same arc at point on the circle.

Prove that the front angle formed at the centre of a circle by an arc, is double of the angle formed by the same arc at any point on the circle.

The front angle formed at the centre of a circle by an are is half of the angle fromed by the same are at any point on the circle.

Fill in the Blanks: Angles subtended by an arc at the centre of a circle is _______ the angle subtended by the same arc at any other point on the remaining part of the circle.

The central angle of an arc is _________ of the angle in circle of the same are.

The length of an arc of a circle of radius 25 cm is 32 cm. Find the angle subtended by the arc at the centre of the circle.

The length of a minor arc is 2/9 of the circumference of the circle. Write the measure of the angle (in degrees) subtended by the arc at the centre of the circle.

. Prove that the tangent drawn at the mid-point of an arc of a circle is parallel to the chord joining the end points of the arc.

The angle subtended by an arc of a circle at the centre is double the angle subtended by it any point on the remaining part of the circle.

Fill in the blanks : _____________is a closed figure formed by an arc at the centre of the circle.

Theorem:-5(i) The degree measure of an arc or angle subtended by an arc at the centre is double the angle subtended by it at any point of alternate segment.(ii) Angle in the same segment of a circle are equal (iii) The angle in the semi circle is right angle.