Advertisements
Advertisements
Question
If O is the centre of the circle, find the value of x in the following figure
Advertisements
Solution
We have
∠AOB = 60°
By degree measure theorem: reflex ∠AOB = 2∠OAC
60° = 2∠OAC
∠OAC = `60^circ/2 = 30^circ` [Angles opposite to equal radii]
Or x = 30°
APPEARS IN
RELATED QUESTIONS
In the below fig. O is the centre of the circle. Find ∠BAC.
If O is the centre of the circle, find the value of x in the following figure
If O is the centre of the circle, find the value of x in the following figure
If O is the centre of the circle, find the value of x in the following figure
In the given figure, O is the centre of a circle and PQ is a diameter. If ∠ROS = 40°, find ∠RTS.
Prove that the angle in a segment greater than a semi-circle is less than a right angle.
In the given figure, P and Q are centres of two circles intersecting at B and C. ACD is a straight line. Then, ∠BQD =
In a circle, the major arc is 3 times the minor arc. The corresponding central angles and the degree measures of two arcs are
If arcs AXB and CYD of a circle are congruent, find the ratio of AB and CD.
A circle has radius `sqrt(2)` cm. It is divided into two segments by a chord of length 2 cm. Prove that the angle subtended by the chord at a point in major segment is 45°.
