alleryNamed by its sides, a triangle with sides 6 cm, 7 cm and 9 cm is what?
AScalene
BRight-angled
CEquilateral
DIsosceles
Answer & Solution
Correct answer: A. Scalene
1. Compare the three side lengths: 6, 7 and 9 are all different.
2. A triangle with all sides different is scalene.
3. Isosceles has two equal sides and equilateral has three.
_Source: Wikipedia, Triangle (CC BY-SA 4.0), Definition, terminology, and types_
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