Perimeter of a rectangle 42 cm length equals 16 cm calculate the width.

As you know, the perimeter of a rectangle is calculated by the formula: P = (a + b) * 2, where a is the length of the rectangle, b is the width of the rectangle.
Substitute all known values into the formula and calculate the width of the rectangle: 42 = (16 + b) * 2.
42 = 32 + 2b.
42 – 32 = 2b.
10 = 2b.
b = 10/2 = 5 cm.
Answer: The width of the rectangle is 5 cm.



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