a ball is dropped from a balcony. the height, h meters, of the balcony above the ground t seconds after it is released is modeled by the quadratic function h(t)=78.4-4.9t^2. how far is the ball above the ground after 4s?

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "

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step-by-step explanation:

answer: 12

step-by-step explanation:

because yes