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20 August, 22:26

13.

Two complementary angles are in the ratio of 4:5. Find the measure of the smaller angle.

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  1. 20 August, 23:26
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    The smaller angle = 40 degrees.

    Step-by-step explanation:

    If one angle is x the other is 90-x (because they are complementary).

    If we split 90 degrees into 4+5 = 9 parts one part = 10 degrees and the 2 angles in the ratio 4:5 must be 4*10 and 50 * 10.
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