Question 54 of 105 in Unit 9

Shape and Space 9

1 mark · Easy

In a cuboid, the length is 3 cm, the width is 4 cm, and the height is 5 cm. Work out the length of the space diagonal (the longest line from one corner to the opposite corner) to 1 decimal place.

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7.1 cm (±0.1)

Common mistakes: Forget to square all three sides; Round to fewer decimal places

Show mark scheme and worked solution

Marking points

A1 · 1 mark · Correct value for the longest diagonal to 1 decimal place

Worked solution

So, cm (to 1 decimal place)

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