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3 April, 03:40

The measure of an angle is 78 less than the measure or its complement. What is the measure of the angle

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  1. 3 April, 04:05
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    84°

    Step-by-step explanation:

    2 complementary angles sum to 90°

    let x be the angle then complement = x - 78, hence

    x + x - 78 = 90 (add 78 to both sides)

    2x = 168 (divide both sides by 2)

    x = 84

    hence the angle is 84°
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