A rectanglar or even rectangular, is an adjective and there is no such thing. You can have a rectangular pyramid or a rectangular prism.
The formula will depend on which of these it is and on what information is available to you.
the cone base formula
Yes! Four at the base, and four edges reaching to the point, or apex.
If the base is a rectangle, use the formula for the area of a rectangle.
the formula is V=3.14r²
the formula is V=3.14r²
A prism with an n-sided base will have 2n vertices, n + 2 faces, and 3n edges. 1 base, 8 vertices
The formula for the area of a quadrilateral is... BASE*HEIGHT/3
The answer depends on what information is given.
tHe FoRmUlA iS bAsE tImEs HeIgHt!
Base times height
area base hight
A formula is needed to find the area of a parallelogram. It is a very simple formula which notates Area = base x height.