Triangles · Class 9 · CBSE Mathematics
If the vertical angle of an isosceles triangle is 70^circ, then each of its base angles is:
Practice question from Triangles (Class 9 · CBSE Mathematics), with the correct answer and a step-by-step solution.
medium · MCQ · Q-DE3231
If the vertical angle of an isosceles triangle is , then each of its base angles is:
- A.Correct answer
- B.
- C.
- D.
Solution
Let each base angle be . The sum of angles in a triangle is . Therefore, , which implies , giving .
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