Consider the following statements: In triangle ABC, if c = 6 and \cosC=-11/25 then R=25/{2\sqrt14} II. In triangle ABC, if a=3,b=4,c =6 , then ABC is acute angled triangle. Which of the above statements is/are true?

AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

Section: Mathematics

Question : 26 of 160

Marks: +1, -0

Consider the following statements:
In triangle ABC, if c = 6 and cosC=−

then R=

2√14

II. In triangle ABC, if a=3,b=4,c=6, then ABC is acute angled triangle.
Which of the above statements is/are true?

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