Quadrilateral QRST is a square. If the measure of QR is 3x – 6 and TS is 6 - x. Find the area of the square.

2 answers

area = (3x-6)(6-x)
= .....
note that since we have a square,

3x-6 = 6-x
x = 3
side = 3
area = 32 =9