Ticket in the door review Unit 4 Geometry Vocabulary Cornell notes Wrapup Ticket in the Door Where should book bags be placed in the classroom What is Mrs Janices call and response Format you paper for Cornell Notes Topic Geometry EQ What are the vocabulary terms and their definit ID: 781056
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Slide1
01.10.2018
Agenda
Ticket in the doorTicket in the door reviewUnit 4: Geometry Vocabulary Cornell notesWrap-up
Ticket in the Door
Where should book bags be placed in the classroom?What is Mrs. Janice’s call and response?Format you paper for Cornell Notes. Topic: Geometry E.Q.: What are the vocabulary terms and their definitions in relation to unit 4 vocabulary.
Slide2Geometry
Vocabulary
Packet
Mrs.
Janice 7th Grade Mathematics
Slide3CIRCUMFERENCE:
the distance around a circle.
T
Slide4PI:
is a number - approximately 3.142. It is the circumference of any circle divided by its diameter. The number Pi, denoted by the Greek letter π - pronounced 'pie', is one of the most common constants in all of mathematics
.
Slide5ANGLE:
the figure formed by two rays sharing a common endpoint called a vertex.
Slide6ADJACENT ANGLES:
angles that have a common vertex and share a common side between them.
1
2
3
4
5
Slide7VERTICAL ANGLES:
angles formed by intersecting lines and sharing only a vertex.
1
2
3
4
5
Look for the Bow Tie!
Slide8When 2 lines intersect, they make vertical angles.
75
º
75
º
105
º
105
º
Slide9Vertical angles are opposite one another.
75
º
75
º
105
º
105
º
Slide10Vertical angles are congruent (equal).
30
º
150
º
150
º
30
º
Slide11COMPLEMENTARY ANGLES:
angles whose measures add up to 90.
Slide12Complementary angles add up to 90
º.
60
º
30
º
40
º
50
º
Adjacent and Complementary Angles
Complementary Angles
but not Adjacent
Slide13SUPPLEMENTARY ANGLES:
angles whose measures add up to 180.
Slide14Supplementary angles add up to 180
º.
60
º
120
º
40
º
140
º
Adjacent and Supplementary Angles
Supplementary Angles
but not Adjacent
Slide15Congruent Angles
The same shape and size. Two shapes are congruent when you can Turn, Flip and/or Slide one so it fits exactly on the other.
Slide16POLYGON:
a closed plane figure made by line segments.
NOT Polygons…
WHY?
Slide17REGULAR POLYGON:
a polygon with all sides congruent and all angles congruent.
Slide18Irregular polygons
A polygon that does not have all sides equal and all angles equal. A polygon is "regular" only when all angles are equal and all sides are equal, otherwise it is irregular.
Slide19PARALLEL LINES:
coplanar lines which never intersect.
Q
X 1 2 Y
3 4
W 5 6 Z
7 8
P
Slide20Cross-Section
A cross section is the shape we get when cutting straight through an object.
Slide21Extra Credit Opportunity
Write an Essay on unit 1 Operations with Rational numbers, 2 Expressions and Equations, 3 Ratios and Proportional Relationships. Each unit should be a separate essay. Essays should be at least half a page to receive credit for the assignment.
Slide22Reference
www.hatboro-horsham.org/
cms/lib2/PA01000027/Centricity/.../Geometry_Vocab.ppt