Respuesta :

birrbecquer2003

Answer:

4.5 u

Step-by-step explanation:

There are many ways to do it, the most easier is this:

Area=(b*h)/2

Area of ABD = (3*3)/2 = 4.5 u

bethanylai
The area of triangle ABD is 4.5 cm squared (the last multiple choice option)

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