Respuesta :

Answer:

486

Step-by-step explanation:

you can find out the unknown side by pythagoras theorem

Answer: 297 cm² Option B

Step-by-step explanation: Total Area of the figure = Area of the rectangle + Area of the trapezium

∴ AREA OF THE RECTANGLE = l×b

= 9×15 = 135cm²

∴AREA OF TRAPEZIUM = h/2 (a+b)

12/2 (9+18)

6×27 = 162cm²

AREA OF THE FIGURE = 135cm²+162cm²

= 297cm²