A perpendicular angle refers to two lines or objects that intersect each other at a 90-degree angle, creating a right angle or "L" shape. Full definition
Each of his sculptural works stand like billboards or street signs, positioned close at perpendicular angles so that the viewer has to navigate around them. (sfaq.us)
We are basically disputing over a piece of toast that has the crude image of Jesus burnt into it but we go it for free on ebay — the cross by no way is perfect and its shape is bound to happen based on the nature of how really tall building collapse and their architecture with many perpendicular angles. (religion.blogs.cnn.com)
Innovative veteriarians came up with the idea to flatten the slope to a near perpendicular angle and eliminate the slipping with great success. (heartlandanimalvets.com)