The perimeter of the rectangle is 126 millimeters and the width is 29 millimeters. What is the length of the rectangle?
| December 29, 2020 | education
Since the opposite sides of the rectangle are equal, its perimeter is calculated by the formula:
P = 2a + 2b.
Provided that this value is 126 mm, and the width = 29 mm, we express the length of such a figure:
a = (P – 2b): 2 = (126 – 2 * 29): 2 = 68: 2 = 34 mm.
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