An arc of a circle is called a_____if the ends of the arc on the ends of a diameter.

An arc is a ___ when its ends are the ends of a diameter.

An arc is a ___________ when its ends are the ends of a diameter.

Fill in the blanks: (i) The centre of a circle lies in_________ of the circle. (exterior/ interior) (ii) A point, whose distance from the centre of a circle is greater than its radius lies in_________ of the circle. (exterior/ interior) (iii) The longest chord of a circle is a_________ of the circle. (iv) An arc is a _________when its ends are the ends of a diameter. (v) Segment of a circle is the region between an arc and________ of the circle. (vi) A circle divides the plane, on which it lies, in________ parts.

The chord of an arc of a circle is of length x, the height of the arc is y and the radius of the circle is z. Which one of the following is correct?

. 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 arc DTE is called ______of the circle.

The length' of an arc of a circle is 4 cm . What is the length of an arc of the same central angle in a circle of double the radius?

An arc is a ........... When its ends are the ends of a diameter.

The length of the radius of a circle is one-half the length of an arc of the circle . What is the radian measure of the central angle that intercepts that arc ?