269 Videos for "triangle"

306090 Triangles  Problem 2
Math › Trigonometry › Pythagorean Theorem
How to find the short leg and hypotenuse in a 306090 triangle given the long leg. 
HL  Problem 2
Math › Geometry › Triangles
How to use HL to determine the congruence of adjacent right triangles and how to correctly denote the congruence. 
454590 Triangles  Problem 4
Math › Trigonometry › Pythagorean Theorem
How to calculate the area of a 454590 triangle given only the length of the hypotenuse. 
454590 Triangles  Problem 4
Math › Geometry › Pythagorean Theorem
How to calculate the area of a 454590 triangle given only the length of the hypotenuse. 
Using Sine to Calculate the Area of a Triangle  Problem 2
Math › Trigonometry › Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle. 
454590 Triangles  Problem 2
Math › Geometry › Pythagorean Theorem
How to find the length of a leg in a 454590 given the hypotenuse. 
Using Sine to Calculate the Area of a Triangle  Problem 2
Math › Precalculus › Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle. 
CPCTC  Concept
Math › Geometry › Triangles
How to use the principle that corresponding parts of congruent triangles are congruent, or CPCTC. 
Using Sine to Calculate the Area of a Triangle  Problem 2
Math › Geometry › Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle. 
454590 Triangles  Problem 2
Math › Trigonometry › Pythagorean Theorem
How to find the length of a leg in a 454590 given the hypotenuse. 
ASA and AAS  Concept
Math › Geometry › Triangles
How to use the ASA and AAS shortcuts to determine the congruence of two triangles. 
SSS and SAS  Concept
Math › Geometry › Triangles
How to use the SAS and SSS shortcuts to determine the congruence of two triangles. 
Flowchart Proofs  Problem 2
Math › Geometry › Triangles
How to prove the converse of the isosceles triangle theorem. 
ASA and AAS  Problem 3
Math › Geometry › Triangles
How to use ASA and AAS to determine the congruence of adjacent triangles and denote the congruence correctly. 
ASA and AAS  Problem 4
Math › Geometry › Triangles
How to use ASA and AAS to determine the congruence of adjacent triangles and denote the congruence correctly. 
ASA and AAS  Problem 2
Math › Geometry › Triangles
How to use ASA and AAS to determine the congruence of vertical triangles and denote the congruence correctly. 
SSS and SAS  Problem 4
Math › Geometry › Triangles
How to use SAS and SSS to determine which triangles are congruent and correctly denote the congruence. 
SSS and SAS  Problem 3
Math › Geometry › Triangles
How to use SAS and SSS to determine congruence of triangles and denote the congruence correctly. 
SSS and SAS  Problem 1
Math › Geometry › Triangles
How to use SAS and SSS to determine congruence of triangles and denote the congruence correctly. 
ASA and AAS  Problem 1
Math › Geometry › Triangles
How to use ASA and AAS to determine congruence of triangles and denote the congruence correctly.