Mathematics · Properties of Triangles
In a triangle ABC, if (a - b)(s - c) = (b - c)(s - a) where s is the semi-perimeter, then r1 + r3 is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13(r1 + r2)
- 22r2✓
- 33r2
- 4r2 + r3
Correct answer
2r2
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