Shape and Space 3
3 marks · EasyIn the triangle below, calculate the length of side x.
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5.00 cm (±0.01)
Also accept: 5
Common mistakes: 7
Show mark scheme and worked solution
Marking points
M1 · 1 mark · Identifies the use of Pythagoras’ Theorem.
M2 · 1 mark · Substitutes correct values into the formula.
A1 · 1 mark · Gives final answer x = 5.00 cm to 3 significant figures.
Worked solution
By Pythagoras' Theorem: