1. Name the types of following triangles :
(a) Triangle with lengths of sides 7 cm, 8 cm and 9 cm.
(b) with AB = 8.7 cm, AC = 7 cm and BC = 6 cm.
(c) such that PQ = QR = PR = 5 cm.
(e) with and XY = YZ.
(f) with , and
(a) Scalane Triangle.
(b) Scalane Triangle.
(c) Equilateral Triangle.
(d) Right angled Triangle.
(e) Right angled isosceles Triangle.
(f) Acute angled Triangle.