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12+12+15+15=54

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Q: What is the perimeter of 12 by 15?
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What is the perimeter of 12 inches by 15 inches?

The perimeter is the one around it so it is 12 + 12 + 15 + 15. Lower it to 24 + 30. The answer is 54.


How do you find a perimeter of 15 and 12 units?

by multiplying 15 and 12 twice then add up your answer and that's the perimeter


What is the area and perimeter of a base of 15 and a height of 12?

If it's a rectangle then:- Area = 15*12 = 180 square units Perimeter = 15+15+12+12 = 54 units of measurement


What is the perimeter of the garden when a garden have 15 meters long and 12 meters wide?

The perimeter is 54 meters.


A garden is 15 meters long and 12 meters wide what is the perimeter of the garden?

The perimeter is 54 meters.


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

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.


One pair of corresponding sides of two similar polygons measures 12 and 15 The perimeter of the smaller polygon is 30 Find the perimeter of the larger?

The perimeter of the larger polygon will have the same ratio to the perimeter of the smaller as the ratio of the corresponding sides. Therefore, the larger polygon will have a perimeter of 30(15/12) = 37.5, or 38 to the justified number of significant digits stated.


What is the perimeter of 12x15 foot room?

(12+15)x2 = 27x2 = 54 feet


Room 12 ft long and 15 ft wide find perimeter?

Add up all the sides- 12+12+15+15. For the AREA, you would multiply length X width.


The sides of a triangle are in a ratio 5 12 13 What is the length of each side if the perimeter of the triangle is 15in?

2.5ins, 6ins and 6.5ins respectively.The perimeter of a 5-12-13 triangle would be 30 in.The shortest side is 5/30 = 1/6 of the perimeter, the middle side is 12/30 = 2/5 and the biggest is 13/30.So, for the triangle with perimeter 15 inches, the smallest side is 1/6*15 = 2.5 inches.The middle side is 2/5*15 = 6 inches and the biggest side is 13/30*15 = 6.5 inches.


What is the perimeter of a square tile with sides 12 inches long?

To find the perimeter of any polygon just add the length of everyside. In this case you have 4 sides with a length of 12 in. so 12 + 12 + 12 + 12 = perimeter. or to simplify 4 * 12 = perimeter.


What is the perimeter of a room that is 24 feet by 15 feet?

Perimeter = 24+24+15+15 = 78 feet