would really appreciate it if somebody good answer this ,

ABCD is a parallelgram

AB=12cm

BC = 8cm

the perpendicular distance of the line DC from the line AB is 7cm

(a)Work out the area of the parallelogram

(b) work out the perpendicular distance of the line AD from the line BC

And this pleas e, I hope tehre are some good maths people on please

the cross section of the solid prism is a right angle triangle. the triangle has a base of 6cm and a height of 8cm

the length of the solid prism is 20cm

(a) work out the volum of the solid prism

(b) the solid prism is made of metal

the mass of 1cm(cubed) of metal is 6cm

work out the total mass of the solid prism