For exercises 18 and 19 find the area and perimeter of each figure. Please show your work, I really need help

18. Perimeter is 9+5+5+10+5+4, which is 38 cm      Area is 10*4+5*5, which is 65 cm2 19. Perimeter is 4+2+2+10+5+6+4+3, which is 34 cm      Area is 4*2+2*5+6*3, which is 36 cm2.