%path = "maths/integral/defined/area/2 polynomials" %kind = kinda["problems"] %level = 12 For a skateboard park a halfpipe shall be constructed. The cross section is delimited by two parabolas. The inner parabola is {{g.w}}cm broad and {{g.h}}cm deep and the outer parabola is {{g.w+2*g.dw}}cm broad and {{g.h+g.dh}}cm deep. The length of the halfpipe is {{g.d}}cm.
Find the amount of concrete needed. V= m³ %include('chcko/getorshow')