What are Complementary and Supplementary Angles in Geometry? - [5]
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- เผยแพร่เมื่อ 5 ก.พ. 2025
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In this lesson, we will begin the discussion of geometry by learning how two angles can be complementary to each other or supplementary to each other. Two angles are complementary if they add to 90 degrees. Two angles are supplementary if they add to 180 degrees. Here we will solve several problems that involve diagrams that have either a complementary pair or supplementary pair of angles. We will have to solve for the unknown angle by using these facts. We will also explore the related ideas of vertical angles and adjacent angles.
![Understand Points, Lines, Rays, Segments & Angles in Geometry - [7]](http://i.ytimg.com/vi/AeioiOxigu4/mqdefault.jpg)
![Understand Points, Lines, Rays, Segments & Angles in Geometry - [7]](/img/tr.png)
![What are Complementary & Supplementary Angles in Geometry? - [3]](http://i.ytimg.com/vi/dmJr3yl_KwE/mqdefault.jpg)
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A line drawn perpendicular to the straight horizontal line both side we will get 2 right angles
Means 180 degree
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If two angles are equivalent and supplementary.find the angles measure.
X+X=180°
2X=180°
X=90°.
One aspect of our study is practicality. It doesn't necessarily mean justifying the facts, verifying the truths and proving theorems. It is about how we apply our knowledge to solve the real life problems (specific) and come easier with it.
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supplementary angle
90-31= 59
18 degrees
18
180-26= 154
31 degrees
119 degrees
72 degrees
59 degrees+31 degrees=90 degrees
Oh, I will do it for you 😎now
26 degrees+154 degrees =180 degrees
I. Need Live class
Yes
31 degrees=90 degrees
Hy
Hi!
Thank you
How to solve this for child 9 years old?👉 1 1/2 ×14=?
1 1/2×14
@@sosobara6039 Turn the fraction into a decimal....1.5x14=21
@@billcarp3523 Thank you
Still not clear 🤔
You just need to change mix fraction to improper fraction then the whole number always have 1 denominator, then you can multiply, just watch on you tube the process on how to multiply fractions .Always simply your answer to lowest term, most probably the answer in this process is always mix fraction but you need to simplify to lowest term if needed , or you can ask , sir, THE MATH AND SCIENCE you tube teacher but not in this topic ...he have series of videos on fractions , just click and subscribed so that you will be notify all of his math lessons videos or.seen his previous math teaching topic lessons on fractions..
180-119= 61
90-72=8
26 degrees
72 degrees + 18 degrees = 90 degrees
119 degrees+61 degrees=180 degrees
26 degrees=180 degrees
119 degrees=180 degrees
154 degrees
72 degrees=90 degrees
180-65= 115
61 degrees
65 degrees=180 degrees
115 degrees
65 degrees
65 degrees+115 degrees=180 degrees