Respuesta :
A = (a+b)h/2
a = 12
b = 18
h = 7.5
A = (12+18)(7.5/2)
A = 30(3.75)
A=112. 5cm
Answer:
112.5 cm
Step-by-step explanation:
18+12 /2 x 7.5
15x7.5
112.5
A = (a+b)h/2
a = 12
b = 18
h = 7.5
A = (12+18)(7.5/2)
A = 30(3.75)
A=112. 5cm
Answer:
112.5 cm
Step-by-step explanation:
18+12 /2 x 7.5
15x7.5
112.5