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.
If you know one angle measure of a right triangle (other than the 90 degree angle), you can figure out the ratio of the size of all sides to one another. One of the more popular and famous examples is the right triangle with angles 90 45 45. The side ratios are 1 : 1 : SqRt(2).