Can the following angles form a triangle?
(i) 80°, 70°, 50° (ii) 56°, 64°, 60°

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Solution

(i) Given angles 80°, 70°, 50°
Sum of the angles = 80°+70°+ 50° = 200° ≠ 180°
The given angles cannot form a triangle.
(ii) Given angles 56°, 64°, 60°
Sum of the angles = 56°+ 64°+ 60° = 180°
The given angles can form a triangle.

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Can the following angles form a triangle? (i) 80°, 70°, 50° (ii) 56°, 64°, 60°

(i) Given angles 80°, 70°, 50° Sum of the angles = 80°+70°+ 50° = 200° ≠ 180° The given angles cannot form a triangle. (ii) Given angles 56°, 64°, 60° Sum of the angles = 56°+ 64°+ 60° = 180° The given angles can form a triangle.

Can the following angles form a triangle?
(i) 80°, 70°, 50° (ii) 56°, 64°, 60°

(i) Given angles 80°, 70°, 50°
Sum of the angles = 80°+70°+ 50° = 200° ≠ 180°
The given angles cannot form a triangle.
(ii) Given angles 56°, 64°, 60°
Sum of the angles = 56°+ 64°+ 60° = 180°
The given angles can form a triangle.