Notes on Mathematics II
Notes on Mathematics II

Lesson Plan Format
Lesson Plan Format

Section 4.2 Triangle Congruence Two triangles are congruent if and
Section 4.2 Triangle Congruence Two triangles are congruent if and

Check for UnderstandingGeometric Shapes with Given Conditions
Check for UnderstandingGeometric Shapes with Given Conditions

2015-2016 Mrs. Smart 12/07/2015 - 01/09/2016 Class View Page 1
2015-2016 Mrs. Smart 12/07/2015 - 01/09/2016 Class View Page 1

Angle Theorems (part 1)
Angle Theorems (part 1)

Inscribed Angle
Inscribed Angle

Parallel and Perpendicular Lines
Parallel and Perpendicular Lines

Task - Illustrative Mathematics
Task - Illustrative Mathematics

... Triangles ABD and ABE share angle B and side AB while AD is congruent to AE by construction. The triangles ABD and ABE are definitely not congruent, however, as one of them is properly contained within the other. The given information heavily restricted this construction but we were still still able ...
Angles
Angles

Mixed Review
Mixed Review

MATH 5: ASSIGNMENT 24 Congruence tests for triangles Recall
MATH 5: ASSIGNMENT 24 Congruence tests for triangles Recall

Proving Lines are Parallel
Proving Lines are Parallel

1 - Mr.F Teach
1 - Mr.F Teach

CHAPTER FOUR: RIGHT TRIANGLES Review November 28 φ Test
CHAPTER FOUR: RIGHT TRIANGLES Review November 28 φ Test

Lesson 2-8 - Elgin Local Schools
Lesson 2-8 - Elgin Local Schools

Notes on Triangles and Angles (1)
Notes on Triangles and Angles (1)

Triangle Sum Theorem The sum of the measures of the three angles
Triangle Sum Theorem The sum of the measures of the three angles

GeoNotes2-1,2-3,2-5
GeoNotes2-1,2-3,2-5

... her birthday is February 29. Inverse: If Maria’s birthday is not February 29, then she was not born in a leap year. Contrapositive: If Maria was not born in a leap year, then her birthday is not February 29. ...
Geometry Course Summary Department: Math Semester 1 Learning
Geometry Course Summary Department: Math Semester 1 Learning

Lesson 2-8 - Elgin Local Schools
Lesson 2-8 - Elgin Local Schools

Geometry Vocabulary
Geometry Vocabulary

Assign 2 - MathExperiences
Assign 2 - MathExperiences

Geometry - Hardin County School District
Geometry - Hardin County School District

Unit 6 Vocabulary
Unit 6 Vocabulary

... Perpendicular Lines  Lines ...

Rational trigonometry

Rational trigonometry is a proposed reformulation of metrical planar and solid geometries (which includes trigonometry) by Canadian mathematician Norman J. Wildberger, currently an associate professor of mathematics at the University of New South Wales. His ideas are set out in his 2005 book Divine Proportions: Rational Trigonometry to Universal Geometry. According to New Scientist, part of his motivation for an alternative to traditional trigonometry was to avoid some problems that occur when infinite series are used in mathematics. Rational trigonometry avoids direct use of transcendental functions like sine and cosine by substituting their squared equivalents. Wildberger draws inspiration from mathematicians predating Georg Cantor's infinite set-theory, like Gauss and Euclid, who he claims were far more wary of using infinite sets than modern mathematicians. To date, rational trigonometry is largely unmentioned in mainstream mathematical literature.