The sides of the angles The vertex B C A Side ABSide AC.
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Transcript of The sides of the angles The vertex B C A Side ABSide AC.
![Page 1: The sides of the angles The vertex B C A Side ABSide AC.](https://reader038.fdocuments.us/reader038/viewer/2022103023/56649db15503460f94a9fd73/html5/thumbnails/1.jpg)
The sides of the angles
The vertex
BC
A
Side ABSide AC
![Page 2: The sides of the angles The vertex B C A Side ABSide AC.](https://reader038.fdocuments.us/reader038/viewer/2022103023/56649db15503460f94a9fd73/html5/thumbnails/2.jpg)
(1) Name of the angle<BAC or < CAB or <A
(2) Vertex of the angleRemember that any angle have only one vertexAnd in this angle the vertex is A
(3) Sides of the angle
AB and ACAnd remember that the side all the time is ray
In any angle you must to know:
![Page 3: The sides of the angles The vertex B C A Side ABSide AC.](https://reader038.fdocuments.us/reader038/viewer/2022103023/56649db15503460f94a9fd73/html5/thumbnails/3.jpg)
Types of Angle
Acute angles
1 2 3
Acute angles are angles less than 90o
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Acute angles
![Page 5: The sides of the angles The vertex B C A Side ABSide AC.](https://reader038.fdocuments.us/reader038/viewer/2022103023/56649db15503460f94a9fd73/html5/thumbnails/5.jpg)
Baby Acute Angle
This is baby Acute angle. Isn’t he cute?! He loves a hug,He’s the smallest of the family, measuring less than 90°.
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90o on a protractor
Types of AngleRight angles
A right angle is an angle of 90o
1 2 3
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Right angles
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Mrs. Right Angle
This is me. I’m Mrs. Right Angle.I always measure 90°, my favourite shape is a square, my husband tells you, I’m always right!
![Page 9: The sides of the angles The vertex B C A Side ABSide AC.](https://reader038.fdocuments.us/reader038/viewer/2022103023/56649db15503460f94a9fd73/html5/thumbnails/9.jpg)
Types of Angle
Obtuse angles
1 2 3
Obtuse angles are greater than 90o but less 180o
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Obtuse angles
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Mr. Obtuse AngleThis is Obtuse. He’s the husband of the family. He’s bigger than Right and Acute ., and he always measures between 90° and 180° (depending on how much dinner he’s eaten!)
![Page 12: The sides of the angles The vertex B C A Side ABSide AC.](https://reader038.fdocuments.us/reader038/viewer/2022103023/56649db15503460f94a9fd73/html5/thumbnails/12.jpg)
Types of Angle
Straight angles
180o on a protractor180o on a
protractor
A straight angle is an angle of 180o
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Straight angles
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Acute Obtuse Acute
Right
Obtuse
Acute Obtuse
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SummeryAcute angles
Less than 90 °
Right angles
All the time Equal 90 °
Obtuse angles
Greater 90 ° and less than
180 °
Straight angles
All the time equal 180 °