Question

Name the types of following triangles: (a) Triangle with lengths of sides 7 cm, 8 cm and 9 cm. (b) ΔABC with AB = 8.7 cm, AC = 7 cm and BC = 6 cm. (c) ΔPQR such that PQ = QR = PR = 5 cm. (d) ΔDEF with m∠D = 90° (e) ΔXYZ with m∠Y = 90° and XY = YZ. (f) ΔLMN with m∠L = 30°, m∠M = 70° and m∠N = 80°

Answer 1

a) scalene traingle
b) scalene traingle
c) equilateral triangle
d) right angled triangle
e) isosceles traingle
f) obtuse angled traingle

Answer 2

Answer:

(a) Scalene triangle (b) Scalenetriangle

(c) Equilateral triangle (d) Right-angledtriangle

(e) Isoscelesright-angledtriangle (f) Acute-angledtriangle