NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Multiple Choice QuestionsQuestion 14
Class 7 - Mathematics - Unit 6: Triangles - Multiple Choice Questions
Question. 14
If in an isosceles triangle, each of the base angles is 40°, then the triangle is
(a)
(a) Right-angled triangle
(b)
(b) Acute angled triangle
(c)
(c) Obtuse angled triangle
(d)
(d) Isosceles right-angled triangle
Detailed Answer with Explanation:
Base angles = 40°, so vertex angle = 100°, which is obtuse. Hence obtuse angled triangle.