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what is the area of the rectangle?

question 1 options:

8 units

12 units

20 units

15 units

12 units

Step-by-step explanation:

The quickest way to go about this is;

From the figure, when you count the number of full square boxes inside the rectangle, they add up to 7 full square boxes of 1 unit by 1 unit. And the number of half square boxes inside the rectangle add up to 10 which is equal to 5 full square boxes.

So the total number of full square boxes of 1 unit by 1 unit inside the rectangle add up to 12 full square boxes. The area of each full square box is 1 * 1 =  1 units, therefore the area of the rectangle is equal to 1 * 12 = 12 units.

fwms@lil_ben06

step-by-step explanation:

a is the right answer