Equate the sum of these measures with 90° or 180° and solve for the value of x. Question 3 : The measure of an angle is 108°. The measure of another angle in the pair is represented as a linear expression. x 28° So, the measure of the complementary angle is 28°. I sketched it out several times on scrap paper, but putting marker to notebook paper proved to have less than stellar results. Because x and 62° are complementary angles, x 62° 90° Subtract 62° from each side. Ironically, when I went to put the C/S drawing in my notebook, mine turned out looking not that great either. Remember my grading scale? Now, my students are using it to get back at me… On a side note, they also decided to give the pencil sharpener a NOT YET one day because it made their pencil point too sharp… Here's a thorough explanation of complementary and supplementary angles, as well as definitions of adjacent a. One of the students in class decided that I had earned myself a “NOT YET” for the day. Let's add some tools to our geometry tool belt. Their notebook pages were not pretty and perfect now, and it was all my fault. So, they drew some Cs that could not be made into attractive Ss. Supplementary angles form a straight line and have a sum of 180 degrees. Supplementary angles are two angles whose sum is 180 degrees (a straight angle). If one of the angles is double the other angle, find the two. Complementary angles form a right angle (L shape) and have a sum of 90 degrees. Complementary angles are two angles whose sum is 90 degrees (a right angle). Well, I didn’t tell my kids what the end product was going to be. COMPLEMENTARY AND SUPPLEMENTARY ANGLES WORD PROBLEMS Problem 1 : Two angles are complementary. If they could remember that complementary meant 90 degrees, the S was made up of two Cs, so that would mean 90 degrees times 2 or 180 degrees. If the sum of two angles is 180 degrees then they are said to be supplementary angles, which forms a linear angle together. Inside the C, we were going to take notes on the meaning of “complementary angles.”Then, we were going to turn the C into an S and add notes about supplementary angles. And, I guess I didn’t think my creativity all of the way through.Ĭlass, use a marker, highlighter, or colored pencil to draw a giant C on your notebook page. If you have any doubts or queries regarding this topic, you can comment down below and we will be ready to help you.Full Disclosure: My students hated this notebook page. We hope this detailed article on Complementary and Supplementary Angles has helped you in your studies. Maths Practice Questions for Class 11
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