A rectangle s width is and its length is 3 4 Fi... - JSS2 Mathematics Algebraic Expressions II Question
A rectangle's width is 𝑤 and its length is 3𝑤+4. Find the perimeter.
The formula for the perimeter
𝑃 of a rectangle is:
𝑃=2(Length+Width)
Substitute the given values:
𝑃=2((3𝑤+4)+𝑤)
=2(3𝑤+4+𝑤)
=2(4𝑤+4)
=8𝑤+8
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