TS EAMCET · Maths · Properties of Triangles
In a triangle if then all the possible values of lies in
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
cotA2cotB2=K ⇒rr-ar-br-c.rr-br-ar-c=K ⇒rr-c=K ⇐r-c+cr-c=K ⇒1+cr-c=K .....i Let p=cr-c=2ca+b-c a+b>c⇒p>0 ∙ If angle C approaches 180°,…
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