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Grade 9 Math: Intro to Geometry Quadrilaterals and Congruence
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Notes
True or False? A quadrilateral is a polygon with four edges and four vertices or corners.
True
False
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True or False? A parallelogram is a three-sided plane rectilinear figure with opposite sides parallel.
True
False
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True or False? A supplementary angles is either of two angles whose sum is 360°.
True
False
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True or False? A complementary angles is either of two angles whose sum is 90°.
True
False
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Grade 9 Math Playlist
36 Videos
03:58:53
167 Questions
0 Notes
Rational Numbers, Exponents, and Polynomials
Introduction to Variables
Algebraic Expressions (Coefficients, Constants, Variables, Operators)
Linear Relations and Equations
Intro to Exponents
Product Rule for Exponents
Quotient Rule for Exponents
Power of a Power Rule
Rational Exponents
Exponents of 0 and 1, Negative Exponents, and Negative Bases
Terms and Collecting Like Terms
Polynomials (Monomials, Binomials, Trinomials, Degrees of Terms and Degrees of Polynomials)
Distributive Property
Intro to Factoring
Solving Simple Equations
Solving Multistep Linear Equations
Independent Variables and Dependent Variables
Slope-Intercept Form, Y-intercept, and X-intercept
Point-slope Form, Linear Equations
Using 2 points of a Linear Equation in Slope-intercept Form
Parallel Lines and Perpendicular Lines
Direct Variation
First Differences
Intro to Lines
Intro to Geometry
Polygons
Different Types of Triangles
Interior and Exterior Angles
Quadrilaterals and Congruence
Midpoint, Midsegment, and Medians of Triangles
Midpoints and Diagonals
Pythagorean Theorem
Area of a Triangle
Area of a Composite
Prisms
Pyramids
Surface Area of a Cone
Volume of a Cone
Surface Area of a Sphere