EM-1423
Testing for a right angle
E Math · Secondary 3 · Hard · Testing for a right angle
Which of the following sets of side lengths cannot be the sides of a right-angled triangle?
- 8 cm, 15 cm, 17 cm
- 7 cm, 24 cm, 25 cm
- 5 cm, 10 cm, 11 cm
- 6 cm, 8 cm, 10 cm
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