The perimeter of the rectangle is 64 cm, and the width is 18 cm. How many cm is the width of this rectangle
| July 8, 2021 | education
The perimeter of the rectangle is 64 cm, and the width is 18 cm. How many cm is the width of this rectangle less than its length?
P = 2a + 2b, a – width, b – length.
2a = P – 2b
2a = 64 – 2 * 18
2a = 64 – 36
2a = 28
a = 14 – width.
Now we find out how many cm the width of this rectangle is less than its length:
18 cm – 14 cm = 4 cm.
Answer: The width of this rectangle is less than its length by 4 centimeters.
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