how can we draw a 4 side pyramid in the solidworks?


4 side pyramid can be created using a rectangle and a point in 4 steps as below...
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Step 1:
Draw a centre rectangle in top plane...say 100x100
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Step 2:
add a plane at a distance (say 100mm) from the top plane...
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Step 3:
Draw a point at the origin of plane 2...
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Step 4:
Use loft to create pyramid as required by you...