8" x 12" = 96 square inches
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The area of rectangle is : 96.0
Area = Length * Width = 12*7 = 84 square inches.
A measurement of area that is 144 square inches, most commonly 12 inches by 12 inches.
The rectangle has an area of 12 x 8 = 96 square inches. The triangle has an area of (1/2 * 32 * x). So, 16x = 96, therefore x = 6. The height of the triangle is 6 inches.
If a rectangle is 40 inches. the rectangle is 12 inches long then: 2 * 12 + 2 * width = 40 2 * width = 40 - 2*12 = 40 - 24 = 16 width = 16 / 2 = 8 So the width of the rectangle is 8.