30 60 90 Right Triangle Calculator Short Side a Input one number of input area Long Side b Hypotenuse c Area Perimeter Input one number then click "calculate" button!LESSON 3 Prove It (Part 2) LESSON 4 Using the Pythagorean Theorem LESSON 5 Special Right Triangles LESSON 6 30, 60, 90 Triangles LESSON 7 Isosceles Right Triangles LESSON 8 Special Right Triangles Puzzle Activity Objective Discovering Similar Triangles with the Pattern a, a√3, 2a Proving that These Triangles are 30, 60, 90 TrianglesThen ABD is a 30°–60°–90° triangle with hypotenuse of length 2, and base BD of length 1 The fact that the remaining leg AD has length √ 3 follows immediately from the Pythagorean theorem The 30°–60°–90° triangle is the only right triangle whose angles are in an arithmetic progression
Special Right Triangles Interactive Notebook Page Math Methods Teaching Geometry Teaching Math