Get premium membership and access revision papers with marking schemes, video lessons and live classes.
A metal rod of 20 m length has an isosceles triangular base, where the equal side are 12 cm each. If the included angle in the base is 40°, calculate:
(a) the area of the cross-section.
(b) the volume of the metal rod.
(c) the mass of the metal rod, if it is made of copper, whose density is 9 000 kg/#m^3#.