Make h the subject of the formula, where V=lbh, and find h, when `V=960cm^(3),l=20cm`, and b=12cm.

Make r the subject of the formula V=(pir^(2)h)/(3) . Find r, when V=27 pi cm^(3) and h=4cm.

The subject of the formulae , A=2h(l+b) is_____

The area of four walls of room is given by A=2h(l+b). Make l as the subject of the formula. Find l when A=100m^(2) , h=5m, and b=4m.

Using the formula S=2(lb+bh+lh) , find S when l=12cm, b=8cm,and h=4 cm.

Make 'a' the subject of the formula A=(sqrt(3)a^(2))/(4) . Finda, when A=64 sqrt(3)cm^(2) .