# hypotenuse   13 videos

• #### Using the Pythagorean Theorem to find a Missing Hypotenuse

##### GeometryPythagorean Theorem

How to calculate the hypotenuse in a right triangle given the lengths of the legs using the Pythagorean Theorem.

Pythagorean theorem leg hypotenuse right triangle
• #### Using the Pythagorean Theorem to find a Missing Hypotenuse

##### TrigonometryPythagorean Theorem

How to calculate the hypotenuse in a right triangle given the lengths of the legs using the Pythagorean Theorem.

Pythagorean theorem leg hypotenuse right triangle
• #### 30-60-90 Triangles

##### GeometryPythagorean Theorem

How to find the legs and hypotenuse in 30-60-90 triangles when given: the short leg, the long leg, or the hypotenuse.

right triangle short leg long leg hypotenuse
• #### 30-60-90 Triangles

##### TrigonometryPythagorean Theorem

How to find the legs and hypotenuse in 30-60-90 triangles when given: the short leg, the long leg, or the hypotenuse.

right triangle short leg long leg hypotenuse
• #### HL

##### GeometryTriangles

How to use the hypotenuse leg shortcut to determine the congruence of right triangles.

hypotenuse leg triangle congruence right triangles
• #### Using the Pythagorean Theorem to find a Missing Leg

##### GeometryPythagorean Theorem

How to use the Pythagorean Theorem to find a missing leg, given the length of the hypotenuse and a leg.

Pythagorean theorem leg hypotenuse right triangle
• #### Using the Pythagorean Theorem to find a Missing Leg

##### TrigonometryPythagorean Theorem

How to use the Pythagorean Theorem to find a missing leg, given the length of the hypotenuse and a leg.

Pythagorean theorem leg hypotenuse right triangle
• #### 45-45-90 Triangles

##### GeometryPythagorean Theorem

How to find the length of a leg or hypotenuse in a 45-45-90 triangle using the Pythagorean Theorem.

isosceles right triangle leg hypotenuse Pythagorean theorem square root
• #### 45-45-90 Triangles

##### TrigonometryPythagorean Theorem

How to find the length of a leg or hypotenuse in a 45-45-90 triangle using the Pythagorean Theorem.

isosceles right triangle leg hypotenuse Pythagorean theorem square root
• #### Converse of the Pythagorean Theorem

##### GeometryPythagorean 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.

right triangle leg hypotenuse converse Pythagorean triples
• #### Converse of the Pythagorean Theorem

##### TrigonometryPythagorean 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.

right triangle leg hypotenuse converse Pythagorean triples
• #### Pythagorean Theorem Proofs

##### GeometryPythagorean 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.

right triangle area of a square binomial squared area of a triangle side leg hypotenuse
• #### Pythagorean Theorem Proofs

##### TrigonometryPythagorean 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.

right triangle area of a square binomial squared area of a triangle side leg hypotenuse

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