Oh, dude, it's like you're asking me to do math or something. So, the area of a rectangle is just the length times the width. In this case, the length is 4 and the width is 3, so the area would be 12 square units. But hey, who's really counting, right?
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For a rectangle; area = (length) x (width). So Length = 4 units, and Width = 3 units.
(4 units) x (3 units) = 12 units². If the unit is feet, you have square feet. If it is meters, you have square meters, etc.
Ah, what a delightful question! To find the perimeter of a rectangle, you simply add up all the sides. In this case, a 3x4 rectangle would have two sides of length 3 and two sides of length 4. So, the perimeter would be 3 + 3 + 4 + 4, which equals 14. Isn't that just lovely?
It's half the area of a rectangle
Area of a rectangle = length x width
Area of a rectangle: a = l * w
Area of a square/rectangle=its length × its width