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Passage I: The angle of a quadrilateral ...

Passage I: The angle of a quadrilateral are in the ratio 3:5:7:9.
If measure of angles be (3x),(5x),(7x) and (9x), then the value of x is

A

`20^(@)`

B

`15^(@)`

C

`25^(@)`

D

`10^(@)`

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Knowledge Check

  • The angles of a quadrilateral are in the ratio 3:5:7:9 . Find the measure of each of these angles.

    A
    `45^(@), 75^(@), 105^(@), 165^(@)`
    B
    `35^(@), 75^(@), 105^(@), 135^(@)`
    C
    `45^(@), 75^(@), 105^(@), 135^(@)`
    D
    `45^(@), 85^(@), 105^(@), 135^(@)`

  • The measure of the four angles of a quadrilateral is in the ratio 3: 5:9:13. The measure of the largest angle is

    A
    `180^@`
    B
    `166^@`
    C
    `156^@`
    D
    `108^@`

  • If the measures of a quadrilateral are (6x)^(@) , 5(x+2)^(@) , (7x-20)^(@) and 2(2x + 9)^(@) respectively, then the value of x is

    A
    `10^(@)`
    B
    `16^(@)`
    C
    `30^(@)`
    D
    `32^(@)`

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