Finding the area of something is rather simple. You simply multiply the Length times the width. The formula is L x W=A
L for length
W for Width
A for area
in this case it would be 15 x 9= 135
The unit for area is whatever unit you are using squared
So the answer is 135 squared meters
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15 square feet
The area of rectangle is : 150.0
Assuming a rectangular prism. The surface area is 550 square inches.
Fifteen square meters is a measurement of area, not length. Area is a two-dimensional measurement, while meters are a unit of length. To find out how many meters make up 15 square meters, you would need to know the shape of the area in question. If it is a square, then the length of each side would be the square root of 15, which is approximately 3.87 meters.
Add up all the sides- 12+12+15+15. For the AREA, you would multiply length X width.