4- the area of the rectangle: [tex]14 \times 21 = 294[/tex] the area of the triangle : [tex](16 \times(21 - 12)) \div 2 = \\ (16 \times 9) \div 2 = 144 \div 2 = 72[/tex] the area of the whole shape: [tex]294+ 72 = 366[/tex] the answer is 366 units^2 hope this helps