Respuesta :

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Answer:

The length is 9 units. The width is 2 units. If you multiply these 2 values (9 x 2) you will get 18 square units for the area of the rectangle.

Step-by-step explanation:

If the area of the triangle is 1/2 the area of the rectangle you will divide 18 by 2.

18/2 = 9.

The area of the triangle is 9 square units.

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