The lengths of the sides of some triangles are given. Say what types of triangles they are.
(1) 3 cm, 4 cm, 5 cm (2) 3.4 cm, 3.4 cm, 5 cm
(3) 4.3 cm, 4.3 cm, 4.3 cm (4) 3.7 cm, 3.4 cm, 4 cm

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Solution

(1)
All sides are different.
Therefore, it is a scalene traingle.
(2)
Two sides are equal.
Therefore, it is an isosceles traingle.
(3)
All sides are equal.
Therefore, it is an equilateral traingle.
(4)
All sides are different.
Therefore, it is a scalene traingle.

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