Algebraic Techniques, SM-Bank 028

A rectangle has sides of \(b\) metres and \(c\) metres in length.

Write an expression for the perimeter of the rectangle. (1 mark)

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Write an expression for the area of the rectangle. (2 marks)

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a. \((2b+2c)\ \text{m}\)

b. \(bc\ \text{m}^2\)

Show Worked Solution

a. \(\text{Perimeter}\)

\(=b+c+b+c\)

\(=(2b+2c)\ \text{m}\)

b. \(\text{Area}\)

\(=\text{length}\times\text{width}\)

\(=b\times c\)

\(=bc\ \text{m}^2\)