The series was rebooted with a 2014 film, which has also been poorly received.  1 Box Office Mojo: Left Behind Weekend Gross Results. 2  Janaya Stephens, The Making of Left Behind: The Movie. Left Behind: The Movie DVD Special Features. Cloud Ten Pictures, 2005.  3 Rotten Tomatoes: Left Behind: The Movie. January 26, 2001.
Since a triangle has 3 angles that total 180 degrees, it can have only 1 right angle. Since a triangle has 180 degrees and 3 angles, it can only have 1 right angle.
The presence of a right angle in a triangle is the defining factor for right triangles, making the right angles basic to trigonometry.uclid uses right angles in definitions 11 and 12 to define acute angles (those smaller than a right angle) and obtuse angles (those greater than a right angle). Two angles are called complementary if their sum is a right angle.