Respuesta :

Answer:

Area of shaded region = 422 cm²

Step-by-step explanation:

Area of rectangle = length × breadth

= 3cm × 10cm

= 30cm²

Area of circle = πr²

= 3.14 × 12²

= 3.14 × 12cm × 12cm

= 452.16 cm²

Area of shaded region = Area of circle - Area of rectangle

= (452.16 - 30) cm²

= 422 cm²

Answer:

422.39cm

Step-by-step explanation: