EM-2058

Enlargement and scale drawings

E Math · Secondary 4 · Medium · Enlargement and scale drawings

A microchip is in the shape of a cuboid measuring 8 mm by 5 mm by 2 mm. A model of the microchip is made to a scale of 4 : 1. Find the surface area of the model in square millimetres.

$2112\text{ mm}^2$
$528\text{ mm}^2$
$8448\text{ mm}^2$
$264\text{ mm}^2$

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