- A160
- B72
- C88
- D80
Step-by-Step Solution
Let angles be 40, 40+d, 40+2d. Sum = 120 + 3d = 180 => 3d = 60 => d = 20. Largest = 40 + 2*20 = 80°.
Answer: D) 80
The angles of a triangle are in AP, and the smallest angle is 40°. The angles sum to 180°.
What is the largest angle?
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