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Give coordinates of four points that are vertices of a rectangle?
In Cartesian co-ordinates, the points (0,0), (4,0), (4,4) and (0,4) are an example of the four vertices of a rectangle.
What is meant by angular elevation?
Angular measurement between two line, when one of them is surface line and another is the line which connect a point on the surface to the peak of the object is known as angular elevation of that object with reference to the the perticular on the surface.
How is a 3D cylinder formed by rotating a rectangle?
Join the mid points of a pair of opposite sides of a rectangle. Rotate the rectangle using this line as the axis for rotation, and it will mark out a cylinder..
Define coplanar points?
Coplanar means "on the same plane". A plane can be a figure or shape like a rectangle. Coplanar points means points that belong on the same plane.
What is the adjective of angle?
'Angular' , as in ' the angular corner'.
