Answer :
Area of triangle= (h*b)/2 = (30*30)/2 = 450
Area of the square unshaded = (a*a) = (15*15) = 225
Area of shaded part = 450-225 = 225[tex] mm^{2} [/tex]
Area of the square unshaded = (a*a) = (15*15) = 225
Area of shaded part = 450-225 = 225[tex] mm^{2} [/tex]
