Mathematics · Properties of Triangles
In a triangle ABC, with usual notations, if b + c11 = c + a12 = a + b13, then the ratio cos A : cos B : cos C is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 119 : 7 : 25✓
- 27 : 19 : 25
- 312 : 14 : 20
- 419 : 25 : 7
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19 : 7 : 25
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