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G. F. A. L. D. 1. Opener a) Is this polygon convex or concave? How do you know? b) Give three names for the polygon. c) Draw an equiangular polygon. d) Write a congruency statement for the triangles. e) Draw an example of a linear pair. f) Draw an example of vertical angles.
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G F A L D 1. Opener a) Is this polygon convex or concave? How do you know? b) Give three names for the polygon. c) Draw an equiangular polygon. d) Write a congruency statement for the triangles. e) Draw an example of a linear pair. f) Draw an example of vertical angles. g) Draw FED such that EDF DFE h) What’s next? 11, 16, 29, 50, ___ i) How many miles is it to drive around Hawaii’s largest island? How long do you think it would take driving the speed limit? • Tuesday L N E D O L
2. SLV Academy Update 5 submissions 5th period. 9 submissions 6th period.
How about now? ab bc b) Which lines are parallel? a a b c d b d c 3. A Quick Word on Assumption a) When you assume: “ ” You make an ass out of you and me. a || c c) Which lines are perpendicular none
Write the congruency statement: a e b d f c 4. How To Score Easy Points On Tests a) Make an ass out of Anya. Sample Test Question
5. Group Notes Right triangle Obtuse triangle Acute triangle Scalene triangle Isosceles triangle Equilateral triangle
5. Group Notes Right triangle Obtuse triangle Acute triangle Scalene triangle Isosceles triangle Equilateral triangle
5. Group Notes Trapezoid
+ = 5. Group Notes Trapezoid Parallelogram Kite Rhombus Rectangle Square
5. Group Notes Trapezoid Parallelogram Kite Rhombus Rectangle Square
6. Classwork pg. 64 // #2 - 16, 19, 20, 25 - 29 7. Break 8. Show and Tell
9. Classwork pg. 70 // #1 - 9, 21 - 24 Can a chord of a circle also be its diameter? Can it be a tangent? Why or why not? Can two circles be tangent to the same line at a point? Draw a sketch and explain.
1. Opener a-c) True or false? If false, make it true by changing the underlined portion. a) A diagonal is a line that connects any two non-adjacent vertices of a polygon. b) A ray that divides an angle into two angles is the angle bisector. c) An obtuse triangle has exactly one angle that’s greater than 90°. d) Name that shape! e) Find the midpoint between (9,2) and (-3,7). Graph and label the points. f) What will be the 503rd term in this sequence? -1, 1, -1, ... g) What is the most likely way to die in America? • Day 8
2. The Odds of Dying SOURCES: National Center for Health Statistics, CDC; American Cancer Society; National Safety Council; International Federation of Red Cross and Red Crescent Societies; World Health Organization; USGS; Clark Chapman, SwRI; David Morrison, NASA; Michael Paine, Planetary Society Australian Volunteers
2. The Odds of Dying SOURCES: National Center for Health Statistics, CDC; American Cancer Society; National Safety Council; International Federation of Red Cross and Red Crescent Societies; World Health Organization; USGS; Clark Chapman, SwRI; David Morrison, NASA; Michael Paine, Planetary Society Australian Volunteers
A 3. Notes - Circles Circle: The set of all points a fixed distance away from a center.
3. Notes - Circles Circle: The set of all points a fixed distance away from a center. A Congruent Circles: Circles that have the same radius.
3. Notes - Circles Concentric Circles: Circles that share the same center. What do you call concentric circles that are also congruent? Congruent concentric circles.
250° Ex: Given m CD = 54°, what is m CFD? Ex: What fraction of the circumference is ADB? D C = A 360° D 110° P F B 3. Notes - Circles 360° - 54° = 306° 360° - 110° = 250° .6944 69.4%
4. Notes - Drawing Pictures Harold and Dina are standing on a flat, dry field reading their treasure map. Harold is standing at one of the features marked on the map, a gnarled tree stump, and Dina is standing atop a large black boulder. The map shows that the treasure is buried 60 meters from the tree stump and 40 meters from the large black boulder. Harold and Dina are standing 80 meters apart. What is the locus of points where the treasure might be buried?
H 40 60 D Draw a Picture Harold, Dina, and Linda are standing on a flat, dry field reading their treasure map. Harold is standing at one of the features marked on the map, a gnarled tree stump, and Dina is standing atop a large black boulder. The map shows that the treasure is buried 60 meters from the tree stump and 40 meters from the large black boulder. Harold and Dina are standing 80 meters apart. What is the locus of points where the treasure might be buried?
Don’t write it down. Do draw the picture. In Reasonville, many streets are named after famous mathematicians. Streets that end in an “s” run east–west. All other streets might run either way. Wiles Street runs perpendicular to Germain Street. Fermat Street runs parallel to Germain Street. Which direction does Fermat Street run?
W N E Fermat Wiles Germain S Draw a Picture In Reasonville, many streets are named after famous mathematicians. Don’t care. Care a little more. Still not much help Streets that end in an “s” run east–west. All other streets might run either way. Wiles Street runs perpendicular to Germain Street. Fermat Street runs parallel to Germain Street. Which direction does Fermat Street run?
5. Classwork pg. 76 // #2 - 5, 7, 9 Don’t write it down. Do draw the picture. 6. Break 7. Show and Tell
8. Basketball 1) Name that shape! kite 2) Name that shape! parallelogram
c a b 8. Basketball 3) What is the midpoint between (2, 7) and (-10, 9)? (-4, 8) 4) What is the midpoint between (-6, -10) and (9, 12)? (1.5, 1) 5) Spell that shape! s - c - a - l - e - n - e
7) What is the measure of CAB? c B C A a b 8. Basketball 6) Spell that shape! i - s - o - s - c - e - l - e - s 40°
8. Basketball 8) AD is the bisector of BAC. What is the measure of BAD? D 110° B 55° C A 9) Name that shape! quadrilateral
8. Basketball 10) Name that shape! rectangle 11) Name that shape! rhombus
8. Basketball 12) Name that shape! square 13) What else is it?
14) What is this? 15) What is this? 16) What is this? 8. Basketball chord radius secant