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Sinethemba makes and sells rectangular tea towels (with dimensions 30 cm × 45 cm) and square dish cloths (with a length of 30 cm) at a local flea market, as shown in the photographs below.


1 Calculate the area of the material needed to make ONE tea towel. Area of a rectangle = length × breadth
2 Sinethemba wants to add a decorative border to some of the tea towels. Calculate the perimeter of a tea towel.

in Mathematics by Diamond (42,982 points) | 44 views

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1.    $\text{area} = \text{length} \times \text{breadth}    = 30\text{cm} \times 45\text{cm}  = 1 350 \text{cm}^2$

2.    $\text{perimeter} = 2(\text{length} + \text{breadth})$

$= 2(30\text{cm} + 45\text{cm})$

$= 2(75\text{cm})$

$= 150\text{cm}$
by Diamond (39,792 points)
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