Answer:
scalene triangle
rectangle
trapezium ()[tex]a_b/c * height = area_of_trapezium \\\\ height * base = area _of_rectangle \\\\\\thus _52*20=104cm^2\\\\triangle _area = base*height/2\\10*9/2\\ = 90/2 = 45cm^2[/tex]
Step-by-step explanation:
