Respuesta :

musiclover10045
area of the bottom square part is 10 x 14 = 140 square mm

area of the top rounded part is half a circle
 area of a circle = PI x r^2
 r = 14/2 = 7
area = 3.14 x 7^2 = 153.86 

1/2 circle = 153.86 / 2 = 76.93

total area =  140 + 76.98 = 216.93 square mm