A picyure,18cm by 15cm,has a uniform frame around it.if the area of frame is 234cm2.find the dimensions of the frame,solve in quadratic equations
(18+2w)(15+2w)-18*15 = 234
w=3
since the frame is 3" wide, you can now determine its dimensions.
w=3
since the frame is 3" wide, you can now determine its dimensions.