Answer:
x = -7
Step-by-step explanation:
The 2 horizontal lines are parallel as given ion the problem.
The x + 97 angle is congruent to the right angle.
x + 97 = 90
x = -7
To find the area of the pantry you divide 81 by 9 because the kitchen is 9 times the area of the pantry.
81/9 = 9
Therefore the pantry is 9 square feet.
The area of a rectangle is LxW. you have an area of 9 and a width of 3 so
9 = Lx3
9/3 = L
3=length
