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Warm-up 1.5 and 1.6 Triangles and Quadrilaterals

Warm-up 1.5 and 1.6 Triangles and Quadrilaterals. Sketch, label, and mark the figure or write “not possible” and explain why. 1.   Obtuse scalene triangle  FAT  with . 2.   Trapezoid  TRAP  with  TR   AP   and Angle TRA   is a right angle

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Warm-up 1.5 and 1.6 Triangles and Quadrilaterals

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  1. Warm-up1.5 and 1.6 Triangles and Quadrilaterals Sketch, label, and mark the figure or write “not possible” and explain why. 1.  Obtuse scalene triangle FAT with . 2.  Trapezoid TRAP with TR  AP  and Angle TRA  is a right angle 3.  Equilateral right triangle 4.  An equilateral triangle with perimeter 12a + 6b

  2. Student of the day!Block 4

  3. Student of the day!Block 5

  4. Student of the day!Block 6

  5. Homework answers to Pg 72 (1.7) #1 - 15

  6. 1.7 Answers continued…

  7. 1.5 Triangles

  8. Triangle Sum Theorem True and False Remember the sum of all internal angles in a triangle is 180 degrees. Figure out the missing angle in the triangles below. True or False 1) A triangle can be right and obtuse. 2) An equilateral triangle can be obtuse as well. 3) A right triangle can also be isosceles.

  9. 1.6 Special Quadrilaterals A parallelogram has two pairs of parallel sides. A rhombus has four congruent sides. A rectangle has four right angles. A square has four congruent sides and four right angles. A trapezoid has exactly one pair of parallel sides. A kite has exactly two pairs of congruent, adjacent sides.

  10. Quadrilateral Flow Chart

  11. True and False with Quadrilaterals True and False 1) A rhombus is a parallelogram. 2) A square is a trapezoid. 3) A square is a rectangle. 4) A rectangle is a parallelogram

  12. Whiteboard Review of 1.1 to 1.7 • What type of polygon is equiangular and equilateral? 2) What term would you use to describe the circles below?

  13. Whiteboard Review of 1.1 to 1.7 Slide 2 What term could be used to describe the angles 1 and 2 pictured in #3 and 4. 3. 4.

  14. Whiteboard Review of 1.1 to 1.7 Slide 3 5. 6.

  15. Whiteboard Review of 1.1 to 1.7 Slide 4 Sketch out the figures described in 5 and 6. 7. Equiangular quadrilateral QRST. 8. Ray BD bisecting Acute Angle ABC .

  16. Whiteboard Review of 1.1 to 1.7 Slide 5 9. Name all chords. 10. Name all major arcs.

  17. Common Quiz Errors Pay attention to symbols and h.w. answers: Consecutive means next to each other. There is a lot of vocabulary and symbols in chapter 1 and we use them all year. Find a way to learn them.

  18. Homework and Notebook Check • Pg 62 #1 – 8 and Pg 66 #1 – 13 • Next block is the notebook check There must be a warm-up to go with each of these notes. You only get one chance AND it has to be in order. • 1.1 Building Blocks of Geometry • 1.2 Poolroom Math (About angles) • 1.3 What’s a Widget? • 1.4 Polygons and Midpoint • 1.7 Parts of a Circle • 1.5 and 1.6 Triangles and Special Quadrilaterals • 1.8 and 1.9 Space Geometry and a Picture is Worth …

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