- A105
- B115
- C125
- D230
Step-by-Step Solution
Angle ACD is the exterior angle at C, equal to the sum of interior opposite angles A and B = 52 + 63 = 115°.
Answer: B) 115
Meera extends the base BC of triangle ABC to a point D, forming exterior angle ACD. She measures angle A = 52° and angle B = 63°. Without measuring, find the exterior angle ACD.
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