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This power point teaches angle relationships at the 7th grade level based on Glencoe.

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- 1. Angle Relationships
- 2. - angle - obtuse angle - degrees - straight angle - vertex - complementary angle - congruent angles - supplementary angle - right angle - perpendicular angle - acute angle - Classify angles.
- 3. 7.6 The student compares and classifies two- and three-dimensional figures using geometric vocabulary and properties. (A) use angle measurements to classify pairs of angles as complementary or supplementary.
- 4. Here’s a few definitions to get us started!!! Angle : it has two sides that share a common endpoint Vertex : the point where the sides meet A B C 1 This angle can be named 4 different ways: ABC, CAB, B, 1
- 5. Naming Angles Name the angle to the right. The angle can be named in four ways: FGH , HGF , G , 2.
- 6. <ul><li>A </li></ul><ul><li>B </li></ul><ul><li>C </li></ul><ul><li>D </li></ul>A. RST B. T C. 3 D. S Which of the following is not a name for the angle below?
- 7. Take a minute to write this in your own personal notes so you don’t have to keep coming back to this slide.
- 8. Classify Angles Classify the angle as acute , obtuse , right , or straight . Answer: The angle is exactly 180°, so it is a straight angle.
- 9. <ul><li>A </li></ul><ul><li>B </li></ul><ul><li>C </li></ul><ul><li>D </li></ul>A. acute B. obtuse C. right D. straight Classify the angle as acute , obtuse , right , or straight .
- 10. Classify Angles Classify the angle as acute , obtuse , right , or straight . Answer: The angle is less than 90°, so it is an acute angle.
- 11. <ul><li>A </li></ul><ul><li>B </li></ul><ul><li>C </li></ul><ul><li>D </li></ul>A. acute B. obtuse C. right D. straight Classify the angle as acute , obtuse , right , or straight .
- 12. Take a minute to write this in your own personal notes so you don’t have to keep coming back to this slide.
- 13. Remember: C comes before S in the alphabet and 90 comes before 180, so that’s an easy way to remember complementary is 90 degrees and supplementary is 180 degrees.
- 14. Classify Angles Classify the pair of angles as complementary , supplementary , or neither . 128 ° + 52° = 180° Answer: The angles are supplementary.
- 15. <ul><li>A </li></ul><ul><li>B </li></ul><ul><li>C </li></ul><ul><li>D </li></ul>A. complementary B. supplementary C. neither D. acute Classify the pair of angles as complementary , supplementary , or neither .
- 16. Classify Angles Classify the pair of angles as complementary , supplementary , or neither . x and y form a right angle. Answer: So, the angles are complementary.
- 17. <ul><li>A </li></ul><ul><li>B </li></ul><ul><li>C </li></ul><ul><li>D </li></ul>A. complementary B. supplementary C. neither D. not enough information Classify the pair of angles as complementary , supplementary , or neither .
- 18. Find a Missing Angle Measure Angles PQS and RQS are supplementary. If m PQS = 56°, find m RQS . Words The sum of the measures of PQS and RQS is 180°. Variable Let x represent the measure of RQS . Equation 56 + x = 180
- 19. Find a Missing Angle Measure Answer: The measure of RQS is 124°.
- 20. <ul><li>A </li></ul><ul><li>B </li></ul><ul><li>C </li></ul><ul><li>D </li></ul>A. 22° B. 67° C. 157° D. 337° Angles MNP and KNP are complementary. If m MNP = 23°, find m KNP .

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this is soo easy!!!!!!

<b>[Comment posted from</b> http://lee.sms.schoolfusion.us/modules/calendar/showCalendarDay.phtml?&gid=1346576&eid=24564919&month=03&day=05&year=2010&jli=t&sessionid=56ad52d2af807fdc214efb621b5e038e]