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JEE Main 16 March 2021, Shift 2, Maths Q82

Question 82 of 90 in this shift, Maths question 22 of 30, Section B.

\triangle

ABC, the lengths of sides AC and AB are 12 cm and 5 cm, respectively. If the area of

\triangle

ABC is 30

\mathrm{cm^2}

and R and r are respectively the radii of circumcircle and incircle of

\triangle

ABC, then the value of

2R+r

(in cm) is equal to ________.

Official answer

NTA final key.

Same idea in other shifts