In a ΔABC. let a, b, c, s, r, R, I, S, r_1,r_2,r_3 stand for their usual meaning. Then Match the items of List-I with those of the items of List-II List-I List-II A) \tan A/2 = r/(s-a) I) (AI)(\sqrt{\frac{(s-b)(s-c)}{bc}}) B) r II) R^2 C) (SI)^2+2Rr III) (4R+r+\sqrt2s)(4R+r-\sqrt2s) D) r_1^2+r_2^2+r_3^2 IV) {Rr}/S V) {(s-b)(s-c)}/\\Delta

Correct Answer is : ABCDVIIIIII

\table \A,\B,\C,\D;\I,\V,\IV,\III

\table \A,\B,\C,\D;\V,\I,\II,\III

\table \A,\B,\C,\D;\V,\I,\IV,\III

\table \A,\B,\C,\D;\I,\IV,\III,\II

TS EAMCET 11-Sep-2020 Shift 1 Solved Paper

Section: Mathematics

Question : 28 of 160

Marks: +1, -0

In a ΔABC. let a,b,c,s,r,R,I,S,r1,r2,r3 stand for their usual meaning. Then Match the items of List-I with those of the items of List-II

List-I

List-II

A) tan

(s−a)

I) (AI)(√

(s−b)(s−c)

)

B) r

II) R2

C) (SI)2+2Rr

III) (4R+r+√2s)(4R+r−√2s)

D) r12+r22+r32

IV)

(s−b)(s−c)

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