30 60 90 Triangles Hd Youtube
Special Right Triangles Although all right triangles have special features – trigonometric functions and the Pythagorean theorem The most frequently studied right triangles, the special right triangles, are the 30, 60, 90 Triangles followed by the 45, 45, 90 trianglesIt is a triangle where the angles are always 30, 60 and 90 As one angle is 90, so this triangle is always a right triangle Thus, these angles form a rightangled triangle Also, the sum of two acute angles is equal to the right angle, and these angles will be in the ratio 1 2 or 2 1
