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 1

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