- A100
- B200
- C90
- D110
Step-by-Step Solution
2+3+4 = 9 parts of 180 = 20° each. Angles: 40, 60, 80. Largest interior = 80; exterior = 180 - 80 = 100°.
Answer: A) 100
A triangular park has interior angles in the ratio 2:3:4. Vikram extends one side at the largest-angle vertex. What is the exterior angle there?
Class 7Exterior Angle PropertyTriangles
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