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Q: What is the perimeter of a 5 cm by 9cm rectangle?

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10*2+5*2 = 30 CM

The perimeter would be 5x2+6x2=10+12=22cm

The area is already shown as 20 cm2 . A rectangle with sides of 4 cm and 5 cm will have an area of 20 cm2 and a perimeter of 18 cm.

1800cm3

Any number greater than or equal to 4*sqrt(45) cm or 26.83 cm (approx). To see that, suppose L â‰¥ sqrt(45) cm be the length of the rectangle and let B = 45/L cm Then Area = L*B = L*(45/L) = 45 cm2 If L = 9cm, then B = 45/9 = 5 cm and then perimeter = 2*(L+B) = 28 cm If L = 90 cm, then B = 0.5 cm and P = 181 cm If L = 900 cm, then B = 0.05 cm and P = 1800.1 cm If L = 9000000 cm then B = 0.000005 cm and P = 18000000.00001 cm As can be seen, the perimeter can be increased without limit.

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It is not. The perimeter of a 1 cm square is 4 cm. The perimeter of a 5 km * 15 km rectangle is 4000000 cm: a million times as large!

Pentagon has 5 sides Regular => each side 9cm => perimeter = 5 x 9cm = 45cm

The dimensions of the rectangle are 5 cm by 4 cm

40 cm Perimeter = 2 L + 2W = 30 + 10

If it's a 12 by 5 rectangle then the perimeter is: 12+5+12+5 = 34 cm

10*2+5*2 = 30 CM

Perimeter = sum of the lengths of sides = 5* 7 cm = 35 cm

The perimeter of a 5 by 7 rectangle is 24.

If the shape measuring 8 centimeters by 5 centimeters is a rectangle, the perimeter of the rectangle is 25 centimeters (2w + 2l)

The perimeter would be 5x2+6x2=10+12=22cm

3 cm

== 25x25== 625 Rectangle sides 5 cm each. ==

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