• #### Supplementary and Complementary Angles - Problem 1

##### Math›Geometry›Geometry Building Blocks
How to use angle measures to identify supplementary and complementary angles.
• #### Simplifying Radical Expressions - Problem 3

Simplifying radicals in the context of using the Pythagorean Theorem to find a missing side length of a right triangle.
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• #### Trigonometric Ratios: Sine - Problem 2

##### Math›Trigonometry›Basic Trigonometry
How to find the length of a base in an isosceles triangle given the vertex angle and a leg length.
• #### Inverse Trigonometric Functions - Problem 2

##### Math›Trigonometry›Basic Trigonometry
How to use inverse trig functions to find an angle in a trapezoid.
• #### Trigonometric Ratios: Tangent - Problem 3

##### Math›Trigonometry›Basic Trigonometry
How to find the height of an isosceles triangle using tangent ratios.
• #### The Definite Integral - Problem 3

##### Math›Calculus›The Definite Integral
How to approximate a definite integral with rectangular sums.
• #### The Definite Integral - Problem 2

##### Math›Calculus›The Definite Integral
How to evaluate a definite integral that involves a parabola.
• #### Radian Measure of Angles - Concept

##### Math›Trigonometry›Trigonometric Functions
How to measure angles using degrees or radians.
• #### Trigonometric Ratios: Tangent - Problem 3

##### Math›Geometry›Basic Trigonometry
How to find the height of an isosceles triangle using tangent ratios.
• #### Inverse Trigonometric Functions - Problem 2

##### Math›Geometry›Basic Trigonometry
How to use inverse trig functions to find an angle in a trapezoid.
• #### Trigonometric Ratios: Tangent - Problem 3

##### Math›Precalculus›Basic Trigonometry
How to find the height of an isosceles triangle using tangent ratios.
• #### Trigonometric Ratios: Sine - Problem 2

##### Math›Precalculus›Basic Trigonometry
How to find the length of a base in an isosceles triangle given the vertex angle and a leg length.
• #### Inverse Trigonometric Functions - Problem 2

##### Math›Precalculus›Basic Trigonometry
How to use inverse trig functions to find an angle in a trapezoid.
• #### Radian Measure of Angles - Concept

##### Math›Precalculus›Trigonometric Functions
How to measure angles using degrees or radians.
• #### The Definite Integral - Problem 1

##### Math›Calculus›The Definite Integral
How to use geometry to find the definite integral.
• #### Radii to Tangents - Problem 2

##### Math›Geometry›Circles
How to calculate the measure of a missing angle in a quadrilateral formed by two circles that are tangent but not congruent and their radii drawn to a common line of tangency.
• #### Parallel and Perpendicular Lines - Problem 5

##### Math›Algebra›Linear Equations and Their Graphs
Using slopes to determine whether or not three coordinates determine a right triangle
Tags:
• #### Approximating Area Using Rectangles - Concept

##### Math›Calculus›The Definite Integral
How to approximate the area under a curve using rectangles.
• #### Angles: Types and Labeling - Problem 1

##### Math›Geometry›Geometry Building Blocks
How to define congruent angles. How to label adjacent angles.
• #### Pythagorean Theorem Proofs - Problem 1

##### Math›Geometry›Pythagorean Theorem
How to prove the Pythagorean Theorem by rearranging triangles inside a square.