Mathematics · Geometry
In a ΔABC, ∠A = x°, ∠B = y°, and ∠C = (y + 20)°. If 4x - y = 10°, then the triangle is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Right-angled✓
- 2Obtuse-angled
- 3Equilateral
- 4Acute-angled
Correct answer
Right-angled
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