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Angles - Formed when two rays share a common endpoint PowerPoint PPT Presentation


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Angles - Formed when two rays share a common endpoint. Adjacent Angles – Angles that share a vertex, one side and no interior points. Vertical Angles – Pairs of angles formed where two lines intersect. These angles are formed by rays pointing in opposite directions. . - PowerPoint PPT Presentation

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Angles - Formed when two rays share a common endpoint

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Angles formed when two rays share a common endpoint l.jpg

Angles- Formed when two rays share a common endpoint


Adjacent angles angles that share a vertex one side and no interior points l.jpg

Adjacent Angles – Angles that share a vertex, one side and no interior points.


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Vertical Angles – Pairs of angles formed where two lines intersect. These angles are formed by rays pointing in opposite directions.


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Complementary Angles – A pair of angles whose measures sum to 90 degrees. Each angle in the pair is the other’s complement.


Acute angle an angle whose measure is less than 90 degrees l.jpg

Acute angle – An angle whose measure is less than 90 degrees


Obtuse angle an angle whose measure is greater than 90 degrees l.jpg

Obtuse Angle – An angle whose measure is greater than 90 degrees.


Can you describe this angle l.jpg

Can you describe this angle?

  • Obtuse Angle

  • Acute Angle

  • Complementary Angles

  • Vertical Angles

  • Adjacent Angles


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Quiz Question 1

C

A

E

D

B

Angles AEB and CED are ________________


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Quiz Question 2

C

A

B

Angle ABC is a/an _______________ angle.


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Quiz Question 3

A

C

B

D

Angles ABC and CBD are ________________ angles.


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Quiz Question 4

C

D

50

40

A

B

Angles ABD and CBD are ______________ angles


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Quiz Question 5

C

B

A

D

Angle ADC is a/an ______________ angle


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Your Assignment

Due tomorrow –20 points


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  • Choose one of the 5 terms. Create on notebook paper or any 8 ½ by 11 inch piece of paper a poster. On this poster must be the name, its definition, and a visual representation. Your name must be written on the front of the poster.

  • Your poster will be evaluated on the following basis:

  • Contains all the required elements.

  • Neatly written, no spelling errors

  • Colorful and original

Any questions?