Advertisements
Advertisements
प्रश्न
If O is the centre of the circle, find the value of x in the following figure
Advertisements
उत्तर
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
संबंधित प्रश्न
Fill in the blank:
A circle divides the plane, on which it lies, in ............ parts.
If O is the centre of the circle, find the value of x in the following figures.
If O is the centre of the circle, find the value of x in the following figures.
In the given figure, O is the centre of the circle, BO is the bisector of ∠ABC. Show that AB = BC.
In the given figure, two congruent circles with centres O and O' intersect at A and B. If ∠AOB = 50°, then find ∠APB.
In the given figure, A is the centre of the circle. ABCD is a parallelogram and CDE is a straight line. Find ∠BCD : ∠ABE.
In the given figure, AB is a diameter of the circle such that ∠A = 35° and ∠Q = 25°, find ∠PBR.
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 ABC is an arc of a circle and ∠ABC = 135°, then the ratio of arc \[\stackrel\frown{ABC}\] to the circumference is ______.
If arcs AXB and CYD of a circle are congruent, find the ratio of AB and CD.
