Answer:
138
Explanation:
Divide the shaded area to a rectangle and a triangle
Shaded rectangle area = 10 * 12 = 120
Shaded triangle area = (6 * 12)/2 = 72/2 = 36
Area of unshaded rectangle
Shaded area= 120 + 36 - 18 = 156 - 18 = 138
Hope this helps :)
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