Special right triangles. 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 a simple ratio, such as 45-45-90. This is called an "angle based" right triangle.
Hi this is my BFF can u tell him to have a nice day thx
ANSWER:
A. -11x^2
EXPLANATION:
-x^2 + -10x^2 = -11x^2
Hope it helps u!
