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1 of 8
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Lesson
Practice
Find an unknown side of a right-angled triangle
DIFFICULTY
intro
standard
challenge
exam
QUESTION TYPE
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Question 1 of 8
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Triangle FDE. Right angle at E; marked acute angle 57° at D. DE = 9 cm, FE = x cm. Not to scale.
x cm
9 cm
F
D
E
57°
Triangle FDE. Not to scale
1 mark
Give the missing length to one decimal place
\(x\)
(cm)
Format: 1 d.p.
CHECK
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