The Chamberlain garage door opener replacement safety sensors (2-Pack) help make sure your garage remains safe. The sensors project an invisible light beam across the inside of the garage door to ensure that if anything is coming in or going out, that the door automatically reverses before hitting anything or anyone. 1  Replaces defective or damaged sensors.
A traditional triangular prism is a solid figure which is made up of two triangular bases and three rectangular faces. The two triangular bases face each other and are joined together with the help of three rectangles. Triangular prism is the most useful prism in geometry as well as in optical physics.
Confidence votes 29.8K. A prism is the body formed by the translation (movement along a line-in this case a straight line) of a shape. There will be two bases and as many lateral faces as the base has sides. Therefore, a triangular prism has 5 faces: 2 bases and 3 lateral faces. A triangular prism has 5 faces. it haves 5 faces.