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Question
The triangle ABC formed by AB = 5 cm, BC = 8 cm, AC = 4 cm is ______.
Options
an isosceles triangle only
a scalene triangle only
an isosceles right triangle
scalene as well as a right triangle
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Solution
The triangle ABC formed by AB = 5 cm, BC = 8 cm, AC = 4 cm is a scalene triangle only.
Explanation:
AB = 5 cm, BC = 8 cm, AC = 4 cm
Now 52 + 42 = 25 + 16 = 41 ≠ 82
And all sides are unequal.
∴ ΔABC is a scalene triangle only.
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