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Math Help - I don't understand

  1. #1
    Newbie
    Joined
    Dec 2007
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    2

    Exclamation I don't understand

    (1) GIVEN: the measure of angle 3 and the measure of angle 2 are compementary, measure of angle 1 + measure of angle 2 = 90 degress

    PROVE: the measure of angle 3 is congruent to the measure of angle one

    (2) GIVEN: angle QVW and angle RWV are supplementary

    PROVE: angle QVP is congruent to angle RWV
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  2. #2
    Super Member wingless's Avatar
    Joined
    Dec 2007
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    Istanbul
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    First, instead of calling them 'Angle 1-2-3', give them letters.
    I take your angle 1 as a, angle 2 as b and angle 3 as c

    b and c are complementary. This means b + c = 90
    And the question gives us a + b = 90
    c = 90 - b
    a = 90 - b
    Hence, a = c.

    I couldn't understand the 2nd question. Please make it clear and draw it.
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