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16 December, 16:00

M∠1=58 and m∠2=122 what is m∠3

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  1. 16 December, 17:43
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    We know that the sum of all the three angles of any triangle equals 180 degrees

    Now here measure of two angles is given to us and we are asked to fine the measure of third angle

    So we can apply the property

    So

    m∠1 + m∠2 + m∠3 = 180°

    58°+122° + m∠3=180°

    180° + m∠3 = 180°

    subtracting 180° from both sides

    we get

    m∠3 = 0°

    It means the triangle is not possible, it will be a straight line
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