Question
Using the given information, write the type of triangle in the table given below
S.No ∠1 ∠2 ∠3 Type of triangle based on angles Type of triangle based on sides
i. 60° 40° 80° Acute angled triangle. Scalene Triangle
ii. 50° 50° 80°
iii. 45° 45° 90°
iv. 55° 45° 80°
v. 75° 35° 70°
vi. 60° 30° 90°
vii. 25° 64° 91°
viii. 120° 30° 30°

Answer

S.No ∠1 ∠2 ∠3 Type of triangle based on angles Type of triangle based on sides
i. 60° 40° 80° Acute angled triangle. Scalene Triangle
ii. 50° 50° 80° Acute angled triangle Isosceles triangle
iii. 45° 45° 90° Right−angled triangle Isosceles triangle
iv. 55° 45° 80° Acute angled triangle Scalene triangle
v. 75° 35° 70° Acute angled triangle Scalene triangle
vi. 60° 30° 90° Right−angled triangle Scalene triangle
vii. 25° 64° 91° Obtuse angled triangle Scalene triangle
viii. 120° 30° 30° Obtuse angled triangle Isosceles triangle

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