EM-3092

Pythagoras’ theorem

E Math · Secondary 4 · Medium · Pythagoras’ theorem

A cuboid has dimensions 10 cm by 6 cm by 8 cm. A diagonal is drawn across the base from one corner to the opposite corner. Using Pythagoras' theorem in 3D, find the length of the space diagonal joining one bottom corner to the opposite top corner of the cuboid.

$14.1\text{ cm}$
$13.0\text{ cm}$
$12.0\text{ cm}$
$15.0\text{ cm}$

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