Advertisements
Advertisements
Question
If O is the centre of the circle, find the value of x in the following figure
Solution
We hav
∠CBD = 65°
∴∠ABC+∠CBD=180°
⇒ ∠ABC + 65° = 180°
⇒ ∠ABC = 180° - 65° = 115°
∴Reflex ∠AOC = 2∠ABC
⇒ x = 2´115°
⇒ x = 230°
APPEARS IN
RELATED QUESTIONS
In the given figure, ∠ABC = 69°, ∠ACB = 31°, find ∠BDC.
In the given figure, A, B, C and D are four points on a circle. AC and BD intersect at a point E such that ∠BEC = 130° and ∠ECD = 20°. Find ∠BAC.
Given an arc of a circle, show how to complete the circle.
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 the circle, BO is the bisector of ∠ABC. Show that AB = BC.
In the given figure, if ∠AOB = 80° and ∠ABC = 30°, then find ∠CAO.
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 ABC is an arc of a circle and ∠ABC = 135°, then the ratio of arc \[\stackrel\frown{ABC}\] to the circumference is ______.
