List two pairs of adjacent angles? List two pairs of vertical angles?
Angle 1
(9x)"
Angle 5
Angle 4 Angle 2
Angle 3
90°
If angle 1 and angle 3 are the same
measure, what is the value of x?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm