Question

define the following triangle right angled triangle ​

Answer 1

Answer:

Special right triangle

A special right triangle is a right triangle with some regular feature that makes calculations on the triangle easier, or for which simple formulas exist. For example, a right triangle may have angles that form simple relationships, such as 45°–45°–90°. This is called an "angle-based" right triangle.

Answer 2

Step-by-step explanation:

the triangle that forms 90degree is called right angle triangle.