Question 298485
(8+2X)(11+2X)=180
88+38X+4X^2=180
4X62+38X+88-180=0
4X^2+38X-92=0
(2X-4)(2X+23)=0
2X-4=0
2X=4
X=4/2
X=2 cm is the width of the frame.
The dimentios odf the picture & frame is:
8+4=12
11+4=15
Proof:
12*15=180
180=180