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In a first angle projection, the object stands in between the observer and the plane of projection. In a third angle project, the object and the plane of projection is interchanged.
At the bottom of the ramp, the higher the ramp the faster the speed, ignoring frictionl forces The speed varies as the square root of the height
Basically its just where you position the views of the main object, in first angle projection, if you view the object from the left, the view is drawn to the right of the object, in third angle projection, its drawn on the viewing side.
You cannot draw a rectangular pyramid since it is a 3-dimensional object. You can only draw a projection of the 3-d object onto a 2-d plane and how you do that depends on what projection(s) you use.Volume = 352/3 = 117.33... (repeating) cubic inches.Total surface area = 168.3 sq inches, approx.
Aspect Ratio: The relationship of an object's height to its width.