Respuesta :

Each triangle has an area of 4.5 and there are 2 triangles, so the answer is 9.
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Answer:

9 cm

Step-by-step explanation:

Find the area of the 1st triangle

A=1/2 b*h

1/2 3*3

1/2 9

4.5

Find the area of the 2nd triangle

A=1/2 b*h

1/2 3*3

1/2 9

4.5

Both triangles have an area of 4.5

To find the area of the parallelogram you have to add the area of the triangles

4.5+4.5=9

A= 9 cm

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