geometry part 2
DESCRIPTION
Geometry part 2. Geometric Applications are limitless…. 360 0. There are 360 0 in every circle. This initial definition allows for further angles to be identified. 180 0. 90 0. 45 0. These are some more common angles. Supplementary Angles (SAT). Supplementary Angles must add to 180 O. - PowerPoint PPT PresentationTRANSCRIPT
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Geometrypart 2
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Geometric Applications are limitless….
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3600
There are 3600 in every circle.
This initial definition allows for further angles to be identified
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1800
These are some more common angles
900
450
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Supplementary Angles (SAT)
Supplementary Angles must add to 180O
A + B = 180O
A B
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Complementary Angles (CAT)
Complementary Angles must add to 90O
A + B = 90O
AB
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Opposite Angle Theorem (OAT)If 2 lines intersect, then the
opposite angles are equal.
X XO
O
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Shape Theorems
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Sum of the Angles of a Triangle Theorem (SATT)
The sum of the Interior Angles of a Triangle is 180O
a
b c
a + b + c = 180O
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Isosceles Triangle Theorem(ITT)
X X
The base angles of an Isosceles Triangle are equal
Y
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Equilateral Triangle Theorem(ETT)
X X
XX = 60O
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Stop here and complete the worksheet
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Exterior Interior (EI)An exterior angle equals the sum of
the opposite two interior angles.
A
BD
D = A + B
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Exterior Angles (EA)The exterior angles of a triangle
and a quadrilateral sum to 360O
A
B
C
A + B + C = 360O
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Sum of the Angles Of a Quadrilateral Theorem
(SAQT)The sum of the Interior Angles of a
Quadrilateral is 360O
a
b c
a + b + c + d = 360O
d
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Exterior AnglesThe exterior angles of a triangle
and a quadrilateral sum to 360O
A
B
C
A + B + C + D = 360O
D
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From the green workbook
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HomeFun YA!!!
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