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The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.

The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.

The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.

The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.

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Q: How long is a perimeter of a 12cm and a 3cm rectangle?

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Related questions

what is the perimeter and area of a rectangle 3cm long and 3cm wide

3cm

16cm.

Perimeter of rectangle: 5+3+5+3 = 16cm

With 3cm for each sides.

16 cm 5cm+5cm+3cm+3cm=16cm

the equation for area is area = length * width. area = 3cm*4cm. Area = 12cm^2

18cm

3cm + 4cm + 3cm + 4cm = 14 cm

12cm (4 sides x 3 = 12)

20cm

10cm 2l + 2w 4+6=10cm

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