The perimeter of the rectangle ABCD is 40 dm. the length of the rectangle is 12 cm. Find the width of the rectangle.
February 12, 2021 | education
| In order to find the perimeter of a rectangle, it is necessary: P = (a + b) * 2, where P is the perimeter of the rectangle, a is the length of the rectangle, and b is the width of the rectangle.
a = P / 2 – b;
a = 40/2 – 12;
a = 20 – 12;
a = 8 (cm) width of the rectangle.
Answer: 8 centimeters wide of the rectangle.
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