how to know that the triangle is acute obtuse or right angled if value of three sides is given

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Given that in a triangle ABC, AB = 5.5 cm, BC = 5.5 cm, AC = 6 cm and $∠ A B C = 120^{\circ}$ . The given triangle is a/an ___ based on its sides and a/an ___ based on its angles.

Q. The sides of a triangle are of lengths 8 cm, 15 cm and 17 cm. The triangle is a triangle.

Question 7

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.

Q. Which of the following is arranged as right-angled triangle, acute-angled triangle and obtuse-angled triangle respectively from left to right?

Q. Identify the triangle as equiangular, acute, obtuse or right.

Answer: Right angled triangle
Mark answer as 1 if true else 0 if false

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