MCQ
Which of the following set of angles represents a right$-$angled triangle?
- ✓$90^\circ, 45^\circ, 45^\circ$
- B$60^\circ, 40 ^\circ, 80^\circ$
- C$50^\circ, 60^\circ, 70^\circ$
- DNone of these
✓
Answer
Correct option: A.
$90^\circ, 45^\circ, 45^\circ$
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