Since the sum of the two complement angles is 90⁰ , then the complement of a 60⁰ angle is a 30⁰ angle.
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60 degrees. An angle and its complement always add up to 90 degrees. Because the ratio is 1:2, you know that there are three parts total (add the two sides of the ratio to get the total number of parts). Therefore, you can restate the ratio as 1/3 to 2/3. 2/3 of 90 is 60. So, the angle of the complement is 60 degrees.
An Angle and its complement add to 90o, so the complement of 25o19'12'' is: 90o - 25o19'12" = 64o40'48" as there are 60 seconds to every minute and 60 minutes to every degree.
90-20 = 70 degrees
180-x= 2(90+x) - 60 180-x=180+2x - 60 -x=-60 x=60 Are you in my honors geometry class? The algebra is wrong. the third line should read -3x=-60 x=20 therefore the complement is 70o This agrees with the answer in the back of the book.
Complement: 90-64 = 26 degrees Supplement: 180-64 = 116 degrees