関連ワード:  give some examples of obtuse angle    give two examples of obtuse angle    give two examples of obtuse angle from your environment    give two examples of obtuse angles in real life    give two examples of obtuse angle from your surroundings    give two examples of obtuse angle class 6    give two examples of obtuse angle from your environment class 6    give three examples of obtuse angle    give some examples of straight angle    give me examples of obtuse angle