exam Maths Puzzle Numerical Ability

A picture frame measures 12cm by 20cm. 160cm^2 of the picture shows inside the frame. What is the width of the frame? And what is the solution? thanx

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Floor plans for a building have the four corners of a room located at the points (2,3),(11,6),(-3,18),and (8,11). Determine whether the side through the points (2,3)and(11,6) is pa Well, there were no questions submitted for this area. I wish these questions were out of a textbook because then I would have an example that I could follow, but they are not. As