Mathematics · Trigonometry
Which of the following mathematical relations is correct? (Letters have their usual meaning in plane trigonometry, where S represents the area of the triangle and s represents the semi-perimeter)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1All three are wrong.✓
- 2r1 = Ss + a
- 3R = abc2S
- 4R = asin A
Correct answer
All three are wrong.
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