right-angled (adjective)

1. In Greek mythology, Zeus is often depicted holding a lightning bolt, which has a right-angled form at its tip.

2. In the cartoon show, the character built a right-angled contraption to solve their problem.

3. During the construction of the Great Pyramids of Egypt, the architects made sure to incorporate right-angled corners for stability.

4. Why did the right-angled triangle go to the party? Because it heard there would be right angles and it couldn't resist!