Name the types of following triangles:
(a) Triangle with lengths of sides 7 cm, 8 cm and 9 cm.
All sides are of different length. Therefore, it is a scalene triangle.
(b)
with AB = 8.7 cm, AC = 7 cm and BC = 6 cm.
All sides are of different length. Therefore, it is a scalene triangle.
(c)
such that PQ = QR = PR = 5 cm.
All sides are equal. Therefore, it is an equilateral triangle.
(d)
with
One angle is equal to
. Therefore, it is a right angled triangle.
(e)
with
and XY = YZ.
Two sides are equal and one angle is equal to
. Therefore, it is right angled isosceles triangle.
(f)
with
,
and
.
All angles are of different value. Therefore, it is a scalene triangle. It can also be called as acute angled triangle because all the angles are less than
.
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