Complementary angle of 74.2 degrees is (90 - 74.2) = 15.8 degrees
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Complementary angles add up to 90*, so a 60* angle's complement is 30*.
Complementary angles total 90°. The complement (or complementary angle) of 15° is 75° (90 - 15).
Complementary angle to which angle?
90 - 43 = 47 degrees.
Complementary angles add up to a right angle (90°). So 90° - 25° = 65° The way I remember the difference between complementary and supplementary is: think of a Straight line is 180° (Supplementary). Think of a Cross makes a 90° angle (Complementary)