A square pyramid is cut with a plane that is parallel to the base of the pyramid. Which best describes the shape of the cross section? A. Trapezoid
B. Triangle
C. Square
D. Pentagon

Step-by-step explanation:

A pyramid is a solid shape that is made up of triangles, rectangles, squares and other polygons. A pyramid are classified based on the shape of its base. For example, the diagram given is a square based pyramid because of the shape of its base(which is a square). Other types includes the triangular based pyramid, triangular based pyramid and other polygon based pyramid.

If this square pyramid is cut with a plane that is parallel to the base of the pyramid, the shape of its cross section will be a triangle since the shapes that are parallel to the base are all triangles. So cutting the plane parallel to the base is similar to cutting out one side of the triangle making up the pyramid.

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answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere