EM-1371
Pythagoras’ theorem
E Math · Secondary 3 · Medium · Pythagoras’ theorem
A triangle has sides of lengths 9 cm, 12 cm and 15 cm. Using Pythagoras’ Theorem, determine whether the triangle is right-angled.
- Yes, it is right-angled.
- No, it is obtuse-angled.
- No, it is acute-angled.
- Cannot be determined from the information given.
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