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vaibhavpatel6
21.09.2019 •
Mathematics
The figure shows two rectangles. which expression represents the area of the shaded region?
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Ответ:
Width = x + 6x + x = 8x
Length = x + 9x + x = 11x
The area is
A1 = (8x)*(11x) = 88x²
The dimensions of the inner rectangle are
Width = 6x
Length = 9x
The area is
A2 = (6x)*(9x) = 54x²
The shaded area is the difference between the outer and inner rectangles.
Therefore the shaded area is
A = A1 - A2 = 88x² - 54x² = 34x²
34x²
Ответ:
2 metres = 200cm
200 / 80 = 2.5
2 boards is the answer. Please make this answer the brainiest.