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.
A triangle is right triangle or right angled triangle, if any one of its three angles is equal to 90 degree. The side opposite to the 90 degree angle or right angle is known as the hypotenuse. The properties of right triangle are properties that define a right angled triangle.