- A105
- B125
- C115
- D230
Step-by-Step Solution
Angle ABC = 65 deg (base angle). Exterior angle CBD = 180 - 65 = 115 deg (linear pair).
Answer: C) 115
In triangle ABC, AB = AC and angle B = 65°. The side AB is produced to D so that angle CBD is an exterior angle.
Find angle CBD, in degrees.
Class 9Properties of Isosceles TrianglesGeometry — Triangles
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