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Three angles of a quadrilateral are 80^...

Three angles of a quadrilateral are `80^(@), 95^(@) and 112^(@)`. Its fourth angle is

A

`78^(@)`

B

`73^(@)`

C

`85^(@)`

D

`100^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • The three angles of a quadrilateral are 80^(@),70^(@)and120^(@) . The fourth angle is

    A
    `110^(@)`
    B
    `100^(@)`
    C
    `90^(@)`
    D
    `80^(@)`

  • Three angles of a quadrilateral are 75^(@),90^(@) and 75^(@) , then the fourth angle is

    A
    `90^(@)`
    B
    `95^(@)`
    C
    `105^(@)`
    D
    `120^(@)`

  • The sum of angles of a quadrilateral is

    A
    `180^@`
    B
    `360^@`
    C
    `270^@`
    D
    None of the above

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    Three angles of a quadrilateral are 54^(@), 80^(@) and 116^(@) . Find the measure of the fourth angle.

    Assertion (A) : If three angles of a quadrilateral are 130^@,70^@ and 60^@ then the fourth angle is 100^@ Reason(R) : The sum of all the angle of a quadrilateral is 360^@ The correct answer is : (a) /(b)/(c )/(d).

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