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17 May, 08:16

1 and 2 are complementary. 1=x° 2 = (3x 30) °

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  1. 17 May, 08:24
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    3x + 2x = 90 {the two angles add up to 90°}

    5x = 90 {combined like terms}

    x = 18 {divided both sides by 5}

    angle 1 = 3x

    = 3 (18) {substituted 18, in for x, into 3x}

    = 54° angles add up to 90°

    angle 1 = 3x

    angle 2 = 2x
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