Respuesta :

Answer:

W=10CM

Step-by-step explanation:

5×4=20÷2=10

4×2.5=10

Answer:

w = 2.5 cm

Step-by-step explanation:

At = 5cm*4cm/2 = 20cm²/2 = 10 cm²

Ar = 10cm² = w*4cm

w = 10cm²/4cm = 2.5 cm

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