Special Triangles Isosceles and Calculator This calculator performs either of 2 items 1) If you are given a right triangle, the calculator will determine the missing 2 sides Enter the side that is known After this, press Solve Triangle 2) In addition, the calculator will allow you to same as Step 1 with a right triangleTriangles Theorem 2 In a triangle whose angles measure 30 0, 60 0, and 90 , the hypotenuse has a length 0 equal to twice the length of the shorter leg, and the length of the longer leg is the product of 3 And the length of the shorter leg The ratio of the sides of a triangle are x x 3 2 x Note The short leg is alwaysAlthough all right triangles have special features – trigonometric functions and the Pythagorean theoremThe most frequently studied right triangles, the special right triangles, are the 30, 60, 90 Triangles followed by the 45, 45, 90 triangles Trigonometry For Dummies Cheat Sheet Dummies 30 60 90 triangle formula chart