The second answer choice.
Answer:
The value of x = 9
Step-by-step explanation:
Angle Bisector Theorem
An angle bisector of a triangle would cut the opposite side into two segments that are proportional to the other two sides of the triangle.
Thus,

Cross Multiply the expression

Divide both sides by 20


Therefore, the value of x = 9
Answer:

Step-by-step explanation:
The formula Length x Width = Area is the correct formula for the area of a rectangle. The same formula works for a square!