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3 March, 15:10

Is a degree and a + 20 degree are complementary angle find a degree

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  1. 3 March, 15:13
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    a=35°

    Step-by-step explanation:

    a+a+20=90° <--complementary means together they are 90°

    2a+20=90°

    2a=70°

    a=35°
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