Question

RO
4. Classify the following triangles as acute, right or
obtuse-angled triangles according to the magnitude
of their angles :
(i) 30°, 60°, 90° (ii) 40°, 60°, 80°
(iii) 60°, 60°, 60° (iv) 45°, 90°, 45°
(1) 80°, 80°, 20° (vi) 10°, 30°, 140°​

Answer 1

Answer:

1. right

2. acute

3. acute

4. right

5. acute

6. obtuse

Step-by-step explanation:

Answer 2

Answer:

right

acute

acute

right

obtuse

obtuse