A triangle has 3 sides so, to find the perimeter times 0.75 by 3
You get 2.25
Answer:

Step-by-step explanation:
The domain of a function is all possible values for x.

There are restrictions on x.
The square root of a number can be undefined if that number is less than 0.
The value of x is all real numbers greater than or equal to 0.
Let
°
°
°
°
we know that
The interior angles formed by the sides of a quadrilateral have measures that sum to 360°
so
°

therefore
the answer is

Idk idk idk i reall dont know that is hard but good luck