Arectangular pyramid is sliced so the cross section is perpendicular to its base and passes through its vertex. what is the shape of the cross section? trapezoid rectangle triangle square

rectangle. trapezoid. triangle. A sphere is sliced so that the cross section does not intersect the center of the sphere

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x