Respuesta :

180mm is the area of the Shaded part

Answer: 180 sq. mm.

Step-by-step explanation:

First you have to get the area of the rectangle on the left. 15 mm×9 mm=135 sq. mm. And the rectangle on the right you do: 15×6= 90. 90÷2= 45, 135+45= 180. The answer is 180 sq. mm.

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