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12 cubic inches

Step-by-step explanation:

The formula for the area of a triangle is :

To work out the volume you would first need to work out the area of a triangle. you can do this by first multiplying base of 4 by the height of 3, this gives you 12.

The next step is to divide 12 by 2, this gives you 6. this is because the formula is the same for a square, however a triangle is half of a square with the same dimensions.

Now that you have worked out the area, to work out the volume you would

multiply the area of 6 by the width of 2, this gives you 12 cubic inches.

1) Multiply 4 by 3.

2) Divide 12 by 2.

3) Multiply 6 by 2.

x = 12

y = 15

step-by-step explanation:

first one because it can't have a fraction in it

step-by-step explanation: