Classify the following triangles as acute-angled, right angled or obtuse-angled according to the magnitude of their angles.
40°,60°,80°
As all the angles of the triangle is <90° so it is an Acute-angled triangle.
Classify the following as acute-angled, right-angled or obtuse-angled triangles according to the measures of their angles.
20°,40°and120°
Classify the following triangles as acute, right or obtuse-angled triangles according to the magnitude of their angles.
48°,48°,84°
Classify the triangle as acute-angled, right-angled and obtuse-angled triangles on the basis of their angles which have been given below-:
45°,90°,45°