The sum of the angles of a triangle is always 180 degrees July 8, 2019 16 32 64 128 The sum of the interior angles of a triangle is always 180 degrees The sum of the interior angles of a triangle is always 180 degrees true or false In a right triangle one angle measures x° where sin ° = x 4 5 . what is cos(90° − °) x Supplement of an angle
