Respuesta :
a) 1/2 multiplied by base multiplied by height is area of a triangle
1/2*10.14*12.2
Which is 61.854 cm^2
b) minus the area of the larger triangle by the area of the smaller triangle
61.854-40.325
Which is 21.529 cm^2
1/2*10.14*12.2
Which is 61.854 cm^2
b) minus the area of the larger triangle by the area of the smaller triangle
61.854-40.325
Which is 21.529 cm^2