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1.6 Geometry Home  Objectives  Angles  Angles & Lines  Triangles  Parallel Lines  Polygons  Interior & Exterior Angles  Polyhedra  Similar Triangles  Circles  Proofs  Revision 
Summary: 4 Credit External AssessmentAngle properties of intersecting and parallel lines and properties of polygons.

Geogebra Java Manipulatives 
1 
Overview and Basic Angle Rules
Review of Angles.

Overview  Class notes, Blank notes


2 
Angles in Triangles
The sum of angles in triangles: scalene, isosceles, equilateral. 
Ex 31.01 p448


3 
Parallel Lines
Corresponding Angles equal, Cointerior angles add to 180, Alternate angles are equal 
Parallel line rules Ex 31.03 p453

p128 
4 
Are Lines Parallel?
Using parallel line rules to determine if lines are parallel  Ex 31.06 p457 

5 
Polygons
Interior & exterior angles. 
Ex 31.07 p461 Ex 31.08 p464

p129 
6 
Quadrilaterals
Names and properties of quadrilaterals 
Ex 32.01 p468


7 
Finding angles in Quadrilaterals
Solving angle problems involving quadrilateral properties  Ex 32.02 p470

p130 
8 
Similar Triangles
Definition of similar triangles. 
Ex 32.03 p473 
p132 
9 
Circles
Definitions of radius, diameter, chord, arc, sector, segment, circumference, tangent. 
Circle parts Ex 33.01 p476 
Isosceles triangle  Angle in a semicircle  Angle at centre 
10 
Angles on Same Arc, Cyclic Quadrilateral
Proof of angles on same arc are equal. 
Angles on Same Arc Ex 33.03 p481 
p133 
11 
Concyclic points
Definitions of collinear, concyclic, 
Ex 33.05 p476 
p134

12 
Circle Tangents
Definitions of tangent. Tangent and radius are perpendicular  Ex 33.06 p487 
p135 
13 
Using Algebra in Geometry
Using geometric reasoning and algebra to solve problems.

Ex 33.08 p490 
p136 
14 
Geometric Proofs
Using geometric reasoning to follow a chain of reasoning and solve problems.

Ex 33.09 p491 
p137 
15 
Geometry Terms
Review of geometric rules and vocabulary 
Ex 31.08 p464  Ex 33.07 p489 
p127 
16 
Revision
Practice assessments 
Practice test p494 
p138 