Respuesta :

401murphyri
The answer is 9,175
30 times 50= 150/2=75
140 times 130=18200
18200/2= 9100
9100+75=9275
Daniela369

Answer:

8700m^2

Step-by-step explanation:

30m*140m=4200m^2

130m-30m=100m

140m-50m=90m

(100m*90m)/2=4500m^2

4200m^2+4500m^2=8700m^2

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