Area of a square with a length of 20x minus the area of a circle with a radius of 4x

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(2) Answers

indiapowell86

Area of the square = (20x)²
Area of the circle = πr² = π(4x)²
(20x)² = 20x * 20x = 400x²
π * (4x)² = 16x²π
Total area = (400x²) - 16x²π
Total area = x² (400 - 16π)
Total area = x² 16 * (25 - π)
Total area = 16x²(25 - π)

monicabaugh

area of squre=legnth times legnth so area of square=(20x)^2=400x^2 area of circle=pi times r^2 pi times (4x)^2 pi times 16x^2 aprox 50.27x^2 so 400x^2-50.27x^2=349.73x^2