Question 53 of 104 in Unit 4

Shape and Space 4

2 marks · Easy

In the right-angled triangle shown, one side is 12 cm long and the other side (adjacent to the right angle) is 5 cm long. Calculate the length of the hypotenuse.

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13 cm (±0.05)

Also accept: 13.0 cm

Common mistakes: 17 cm (added instead of squared)

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Marking points

M1 · 1 mark · States or uses Pythagoras' theorem:

A1 · 1 mark · Obtains cm (accept 13.0 cm, 13 to 3 s.f.) (follow-through)

Worked solution

Using Pythagoras' theorem:

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