70. If a.B.y are the lengths of the tangents from the vertices of a triangle to...
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70. If a.B.y are the lengths of the tangents from the vertices of a triangle to its in-circle then 1) 2/3+6 3) 3/2 +6 2) 2/3+ V6 4) 3/2+ V6 1) a+B+y=(aBy) (AP EAMCET 2017) 75. In a AABC, if b-2,c=3. JA= 30", then its inradius r= (AP EAMCET 2017) 2) a+B+y=(aßy) V3+1 3-1 4) 2. 1) 5-1 2) 3+1 3) 3) a +B +y=(a@y) 76. The sides of a triangle are in the ratio 1: 3:2. Then the angles are in the ratio +- 4) a B (TS EAMCET 2017) 2) 1:2:4 4) 1:3:5 1) 1:2:3 3) 1:4:5 77. In AABC, if a 1,b=2.C=60° then 44* +e = 70. If a,B.y are the lengths of the tangents from the vertices of a triangle to its in-circle then (TS EAMCET 2017) 1) a+B+y=(aßy) (AP EAMCET 2017) 1) 6 3) 4) 9 2) a+B+y=(ar) 3) a +B* +y' =(aBy) 2) 3 78. The lengths of the sides of a triangle are 13,14 and 15. If R and, respectively denote the circum radius and inradius of that triangle, then 8R +r = 4) ++-=r(aßy) (TS EAMCET 2017) a B Y 65 2) 3) 4 1) 84 4) 69 71. In AABC, if A:B:C =5:1:6 then a:b:e= I) 2+1:2-1:2/2 (AP EAMCET 2017) 2) 5-1:5+1:2/2 3) 3+1: 3-1:2/2 ANSWERS 1) 2 2) 3 3) 1 4) 1 5) 2 6) 2 7) 2 8) 3 9) 1 10) 2 EDUCATIONMSMI 11) 1 12) 4 13) 3 14) 1 15) 1 4) 3-1: 3+1:1 18) 1 23) 2 16) 1 17) 1 19) 1 20) 4 72. In any triangle ABC 21) 4 22) 3 24) 1 25) 3 +b.cos+ 2 a.cos 27) 1 32) 3 26) 1 28) 3 29) 1 30) 3 As 2) 5+을 3) 3) 2s+ 4) 33) 1 38) 4 43) 1 31) 2 34) 1 35) 3 1) R. R. 36) 4 37) 3 39) 1 40) 3 73. In AABC, if a=2(5+1), B=45 and 42) 3 41) 4 44) 1 45) 4 C= 60°, then the area (in sq.units) of that tri- angle is 1) 2/3 46) 1 47) 4 48) 2 49) 4 50) 2 (AP EAMCET 2017) 51) 3 52) 3 53) 1 54) 2 55) 4 2)6 3) 6+23 4) 6–2/3 58) 4 63) 2 56) 2 57) 2 59) 4 60) 4 74. The equation -2/3x+2=0 represents two sides of a triangle. If the angle between them 61) 1 62) 3 64) 3 65) 3 66) 1 71) 3 67) 2 72) 2 68) 1 69) 2 74) 2 70) 1 75) 3 73) 3 then the perimeter of that triangle is 70. If a.B.y are the lengths of the tangents from the vertices of a triangle to its in-circle then 1) 2/3+6 3) 3/2 +6 2) 2/3+ V6 4) 3/2+ V6 1) a+B+y=(aBy) (AP EAMCET 2017) 75. In a AABC, if b-2,c=3. JA= 30", then its inradius r= (AP EAMCET 2017) 2) a+B+y=(aßy) V3+1 3-1 4) 2. 1) 5-1 2) 3+1 3) 3) a +B +y=(a@y) 76. The sides of a triangle are in the ratio 1: 3:2. Then the angles are in the ratio +- 4) a B (TS EAMCET 2017) 2) 1:2:4 4) 1:3:5 1) 1:2:3 3) 1:4:5 77. In AABC, if a 1,b=2.C=60° then 44* +e = 70. If a,B.y are the lengths of the tangents from the vertices of a triangle to its in-circle then (TS EAMCET 2017) 1) a+B+y=(aßy) (AP EAMCET 2017) 1) 6 3) 4) 9 2) a+B+y=(ar) 3) a +B* +y' =(aBy) 2) 3 78. The lengths of the sides of a triangle are 13,14 and 15. If R and, respectively denote the circum radius and inradius of that triangle, then 8R +r = 4) ++-=r(aßy) (TS EAMCET 2017) a B Y 65 2) 3) 4 1) 84 4) 69 71. In AABC, if A:B:C =5:1:6 then a:b:e= I) 2+1:2-1:2/2 (AP EAMCET 2017) 2) 5-1:5+1:2/2 3) 3+1: 3-1:2/2 ANSWERS 1) 2 2) 3 3) 1 4) 1 5) 2 6) 2 7) 2 8) 3 9) 1 10) 2 EDUCATIONMSMI 11) 1 12) 4 13) 3 14) 1 15) 1 4) 3-1: 3+1:1 18) 1 23) 2 16) 1 17) 1 19) 1 20) 4 72. In any triangle ABC 21) 4 22) 3 24) 1 25) 3 +b.cos+ 2 a.cos 27) 1 32) 3 26) 1 28) 3 29) 1 30) 3 As 2) 5+을 3) 3) 2s+ 4) 33) 1 38) 4 43) 1 31) 2 34) 1 35) 3 1) R. R. 36) 4 37) 3 39) 1 40) 3 73. In AABC, if a=2(5+1), B=45 and 42) 3 41) 4 44) 1 45) 4 C= 60°, then the area (in sq.units) of that tri- angle is 1) 2/3 46) 1 47) 4 48) 2 49) 4 50) 2 (AP EAMCET 2017) 51) 3 52) 3 53) 1 54) 2 55) 4 2)6 3) 6+23 4) 6–2/3 58) 4 63) 2 56) 2 57) 2 59) 4 60) 4 74. The equation -2/3x+2=0 represents two sides of a triangle. If the angle between them 61) 1 62) 3 64) 3 65) 3 66) 1 71) 3 67) 2 72) 2 68) 1 69) 2 74) 2 70) 1 75) 3 73) 3 then the perimeter of that triangle is
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