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In the circle with centre O and A,B,C ar...

In the circle with centre O and A,B,C are the points on the circle, `angle AOB = 60^(@)`. Find `angle ACB`

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In the following figure, AB is an arc of the circle, C and D are the points on the circle. If angle ACB=30^@ , Find angle ADB .

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Knowledge Check

  • In the given figure, AB is a chord of the circle with centre O and PQ is a tangent at point B of the circle. If angle AOB = 110^(@) , then angle ABQ is

    A
    `45^(@)`
    B
    `70^(@)`
    C
    `55^(@)`
    D
    `35^(@)`

  • In the figure , PQ and PR are tangent to the circle with centre O. Also, S is a point on the circle such that angle SQC = 50^(@) and angle SRM = 60 ^(@) , " then " angle QSR =

    A
    ` 40 ^(@) `
    B
    ` 70 ^(@) `
    C
    ` 80 ^(@) `
    D
    ` 45^(@) `

  • A circle with centre O is given and C is a point on its minor arc AB. If angle AOB = 100^@ then angle ACB is equal to which of the following?

    A
    A)`80^@`
    B
    B)`90^@`
    C
    C)`100^@`
    D
    D)`130^@`

    • Similar Questions

    Explore conceptually related problems

    In figure PQ is tangent to the circle with centre at O at the point B , if angle AOB = 100^(@) , then angle ABP is equal to

    If Fig , AOB is diameter of a circle with centre O and AC is a tangent to the circle at A . If angle BOC = 130^@ , then find angleACO .

    Two tangents are drawn from a point P on the circle at point A and B. O is the centre of the circle. If angleAOP=60^(@) then find angleAPB .

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    PA and PB are two tangents to a circle with centre O, from a point P outside the circle . A and B are point P outside the circle . A and B are point on the circle . If angle PAB = 47^(@) , then angle OAB is equal to :

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