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The measure of the complementary angle o...

The measure of the complementary angle of an angle with measure `40^(@)` is .............

A

`40^(@)`

B

`20^(@)`

C

`140^(@)`

D

`50^(@)`

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Knowledge Check

  • The measure of the supplementary angle of an angle with measure 70^(@) is ........... .

    A
    `20^(@)`
    B
    `35^(@)`
    C
    `70^(@)`
    D
    `110^(@)`

  • The measure of an angle is four times the measure of its complementary angle. Then, the measure of that angle is ............

    A
    `18^(@)`
    B
    `72^(@)`
    C
    `40^(@)`
    D
    `10^(@)`

  • The measure of an angle is twice the measure of its supplementary angle. Then, the measure of that angle is .............

    A
    `60^(@)`
    B
    `120^(@)`
    C
    `50^(@)`
    D
    `100^(@)`

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    The measures of two supplementary angles differ by 20^(@) . Then the measure of the acute angle among them is ..........

    Two complementary angles are in the ratio 4:5. Find the angles.

    A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. The angle of minimum deviation is measured to be 40^(@) . What is the refractive index of the material of the prism? The refracting angle of the prism is 60^(@) . If the prism is placed in water (refractive index 1.33), predict the new angle of minimum deviation of a parallel beam of light

    In DeltaABC,angleB=55^(@) and angleC=65^(@) . Then the measure of an exterior angle of DeltaABC cannot be .............

    The measures of two angles of a cyclic quadrilateral are 40^(@) and 110^(@) Then, the measures of other two angles of the quadrilateral are ..........

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