• #### Pythagorean Theorem Proofs - Problem 1

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

##### Math›Geometry›Pythagorean Theorem
How to prove the Pythagorean Theorem using Algebra to show the area of the smaller square plus the area of four triangles is equal to the area of the larger square.
• #### Converse of the Pythagorean Theorem - Concept

##### Math›Geometry›Pythagorean Theorem
How to use the converse of the Pythagorean Theorem to determine if a triangle is a right triangle, how to use Pythagorean triples to memorize the lengths of certain right triangles.
• #### 30-60-90 Triangles - Problem 4

##### Math›Geometry›Pythagorean Theorem
How to find the area of an equilateral triangle given only a side length.
• #### 30-60-90 Triangles - Problem 4

##### Math›Trigonometry›Pythagorean Theorem
How to find the area of an equilateral triangle given only a side length.
• #### Converse of the Pythagorean Theorem - Concept

##### Math›Trigonometry›Pythagorean Theorem
How to use the converse of the Pythagorean Theorem to determine if a triangle is a right triangle, how to use Pythagorean triples to memorize the lengths of certain right triangles.
• #### Pythagorean Theorem Proofs - Concept

##### Math›Trigonometry›Pythagorean Theorem
How to prove the Pythagorean Theorem using Algebra to show the area of the smaller square plus the area of four triangles is equal to the area of the larger square.
• #### 45-45-90 Triangles - Problem 3

##### Math›Trigonometry›Pythagorean Theorem
How to find the perimeter of a square given the length of its diagonal using 45-45-90 triangles.
• #### 45-45-90 Triangles - Problem 3

##### Math›Geometry›Pythagorean Theorem
How to find the perimeter of a square given the length of its diagonal using 45-45-90 triangles.
• #### Converse of the Pythagorean Theorem - Problem 2

##### Math›Geometry›Pythagorean Theorem
How to use the Pythagorean Theorem to determine if a triangle is acute, right, or obtuse, given the lengths of the triangle.
• #### Converse of the Pythagorean Theorem - Problem 2

##### Math›Trigonometry›Pythagorean Theorem
How to use the Pythagorean Theorem to determine if a triangle is acute, right, or obtuse, given the lengths of the triangle.
• #### Using the Pythagorean Theorem to find a Missing Leg - Problem 2

##### Math›Geometry›Pythagorean Theorem
How to find the height of a ladder resting against a wall using the Pythagorean Theorem.
• #### Using the Pythagorean Theorem to find a Missing Leg - Problem 2

##### Math›Trigonometry›Pythagorean Theorem
How to find the height of a ladder resting against a wall using the Pythagorean Theorem.
• #### Using the Pythagorean Theorem to find a Missing Leg - Problem 3

##### Math›Trigonometry›Pythagorean Theorem
How to use the Pythagorean Theorem to find the surface area of a prism given one of the face diagonals and the lengths of two edges.
• #### Using the Pythagorean Theorem to find a Missing Leg - Problem 3

##### Math›Geometry›Pythagorean Theorem
How to use the Pythagorean Theorem to find the surface area of a prism given one of the face diagonals and the lengths of two edges.