Given that in a triangle ABC, AB = 5.5 cm, BC = 5.5 cm, AC = 6 cm and ∠ABC=120∘. The given triangle is a/an ___ based on its sides and a/an ___ based on its angles.
Lengths of sides of a triangle are 3 cm, 4 cm and 5 cm. The triangle is
a) Obtuse-angled triangle b) Acute angled triangle c) Right angled triangle d) An isosceles right triangle.