Question

area
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which of the following is the correct formula to calculate the area (a) of a * 1 point
rectangle with length (i) and width (w)?
a = 21 + 2w
a = (1/2)lw
a = l + w
a = lw

Explanation:

Step1: Analyze each option

• Option \(A = 2l+2w\): This formula represents the perimeter of a rectangle, not the area.
• Option \(A=\frac{1}{2}lw\): This formula is for the area of a triangle (when \(l\) and \(w\) can be considered as base and height).
• Option \(A = l + w\): This is not a valid formula for the area of any common - geometric shape.
• Option \(A=lw\): The area of a rectangle is calculated by multiplying its length and width.

Answer:

\(A = lw\) (the fourth option)