Angles formed when two rays share a common endpoint
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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. .

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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


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.


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


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


Can you describe this angle?

  • Obtuse Angle

  • Acute Angle

  • Complementary Angles

  • Vertical Angles

  • Adjacent Angles


Quiz Question 1

C

A

E

D

B

Angles AEB and CED are ________________


Quiz Question 2

C

A

B

Angle ABC is a/an _______________ angle.


Quiz Question 3

A

C

B

D

Angles ABC and CBD are ________________ angles.


Quiz Question 4

C

D

50

40

A

B

Angles ABD and CBD are ______________ angles


Quiz Question 5

C

B

A

D

Angle ADC is a/an ______________ angle


Your Assignment

Due tomorrow –20 points


  • 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?


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