How to Find the Perimeter of a Triangle (Formula & Video)

How to find the Area and Perimeter of a Right Triangle

Area of an Equilateral Triangle, Formula, Calculation & Examples - Video & Lesson Transcript

Perimeter of Isosceles Triangle - Formula, Definition, Examples

finding perimeter using the pythagorean theorem (KristaKingMath)

Perimeter of Isosceles Triangle - Formula, Definition, Examples

Question Video: Using the Trigonometric Formula for Areas of Triangles to Find the Area of an Isosceles Triangle

Definition--Triangle Concepts--Perimeter of a Triangle

How to find x in a triangle when you know the perimeter

Area of a triangle - Excel formula