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^^^^^this answer is wrong
(^^^) js ja
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Its total surface area.
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sphere
The triangular pyramid has.
False.To find the surface area of a three-dimensional figure, find the area of the faces and add them together.
A three dimensional triangular figure with three faces and a base is called a triangular pyramid. It has four vertices, four faces, and six edges.
A three dimensional figure with polygonal faces is called a polyhedron. Specific names draw from the Latin prefixes. For example a four sided figure is a tetrahedron.