Q: What is the perimeter of a rectangle 20 centimeters by 45 centimeters?

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Since by definition, a rectangle has two pairs of equal length sides, (2 * 7) + (2 * 45) will get the perimeter: 104.

10.5

28

150cm

a rectangle as a longer side because there's 48 inches for a rectangle but there's only 45 inches for a triangle. a rectangle as a longer side because there's 48 inches for a rectangle but there's only 45 inches for a triangle.

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150 cm !

150cm.

Perimeter of Rectangle = 2(length + width) =2(45+30) =150 cm

Since by definition, a rectangle has two pairs of equal length sides, (2 * 7) + (2 * 45) will get the perimeter: 104.

Perimeter of rectangle = 2 *(l+b) =2 *(45+30)= 2 * 75 =150 cm

p = 75+75+45+45=240cm a = 75 x 45 = 3375cm

45

10.5

45 cm2

x=width x+25=length 4x+50=130 4x=80 x=20 width is 20 length is 45

28

150cm