The width and height of a 3R picture is traditionally 4"Ã?6". However, you can also resize this type of picture to fit your needs.
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it is lxwxh (width x hight)
-- Measure the height.-- Measure the width at the top.-- Measure the width at the bottom.Area = (1/2) x (height) x (width-at-the-top plus width-at-the-bottom)
dimensions
-The height could be 6 and the width 2. -The height could be 1 and the width 12. -The height could be 3 and the width 4.
A 2D object is a shape that has only two dimensions. These are usually described as the length and width although in some cases (eg a picture projected on a wall) they may be called width and height.