55. The angle of a triangle ABC ure in an arithmetic progression. The larger sides a....

 

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55. The angle of a triangle ABC ure in an arithmetic progression. The larger sides a. b satisfy the ) only 1 3) both I and II 2) only II 4) neither I nor I relation 64. Dif cosa+ 2oosB+conC=2 then a, b, c we in GP <L. then the possible values of 2. 4. 2) only II the smallest side are ID A--(be then tan 2. dt v4 -3a 1) only 1 atv4 -3a 4) neither I nor II 1) 2) 2a 26 3) both I and Il 64. DIf a+ b+d 9R then the triangle is equilateral triangle. I) If a+ev226 then the angles of the triangle are 45, 75 and 60. 1) only 1 3) both I and Il atv46-3a 3) 4) 2e 3. 56. In a A ABC, ZC =. then 3 2) only II 4) neither I nor II a+b+c atc 1) a+b 2) 3) 4) b+2e 2a +b b+e 65. If the lengths of two sides of a triangle are te roots of the equation x-2/3x+2-0 and 57. If in a A ABC, r= 2r, = 3r, then the perimeter of the triangle is equal to 1) 3 a then 3 the perimeter of the triangle is the angle between these sides is 2) 3b 3) 3c 4) 3(a+b+c) (AP EAMCET 2017 2) 2/6+243 4) J6+5 58. In A ABC, tan A tan 8 tanC 1) 26+V3 1) 2r 2) 1+2R 3) 2r+R 4) 2(r+R) 59. If base angles of a triangle are 22112 fIGN 66. In AABC if C=90, then then base and height are in the ratio 3)3:1 (sin' A+sin' B) (Sin' A- sin B) sin(A- B)(AP EAMCET 2) 1:3 60. The roots of equation x'-(r+4R)a4sx-s'r0 1)1:2 4) 2:1 are 1) 1 3) 2)t 61. The sum of radi of inscribed and cireumscribed circles for an n sided regular polygon of side a is 3)r.5 4) r. E5 67. In AABC if -8, r =12 and 5=24 the ordered triple (a,b.c)= (AP EAMCET 2017 1) (8.12.14) 3) (16,12.20) 68. In AABC if e is any angle, then beos(C+0)+coos(B-0)= 1) acose 2) a sine 3) atane 4) aco 2) acot 2n 2) (12.16,20) 4) (16, 20,12) 1) cot 2. 2n 3) 4) acot In A4BC Which of the following statements is (AP EAMCET 0 true : 62. DIf 4ss - a) (s-b) (s-e) = b'e then it isa right angled triangle at A. 69. In AABC. if bcose=e-a, (where e i actue angle), then (e-a)tane= (AP EAMCET 2 I) f 3tan tan 1 then a, b, c are in A.P. 1) 2cu co acos 2) 2vcasin 3) 2casin 2. 4) 2cacon 74 55. The angle of a triangle ABC ure in an arithmetic progression. The larger sides a. b satisfy the ) only 1 3) both I and II 2) only II 4) neither I nor I relation 64. Dif cosa+ 2oosB+conC=2 then a, b, c we in GP <L. then the possible values of 2. 4. 2) only II the smallest side are ID A--(be then tan 2. dt v4 -3a 1) only 1 atv4 -3a 4) neither I nor II 1) 2) 2a 26 3) both I and Il 64. DIf a+ b+d 9R then the triangle is equilateral triangle. I) If a+ev226 then the angles of the triangle are 45, 75 and 60. 1) only 1 3) both I and Il atv46-3a 3) 4) 2e 3. 56. In a A ABC, ZC =. then 3 2) only II 4) neither I nor II a+b+c atc 1) a+b 2) 3) 4) b+2e 2a +b b+e 65. If the lengths of two sides of a triangle are te roots of the equation x-2/3x+2-0 and 57. If in a A ABC, r= 2r, = 3r, then the perimeter of the triangle is equal to 1) 3 a then 3 the perimeter of the triangle is the angle between these sides is 2) 3b 3) 3c 4) 3(a+b+c) (AP EAMCET 2017 2) 2/6+243 4) J6+5 58. In A ABC, tan A tan 8 tanC 1) 26+V3 1) 2r 2) 1+2R 3) 2r+R 4) 2(r+R) 59. If base angles of a triangle are 22112 fIGN 66. In AABC if C=90, then then base and height are in the ratio 3)3:1 (sin' A+sin' B) (Sin' A- sin B) sin(A- B)(AP EAMCET 2) 1:3 60. The roots of equation x'-(r+4R)a4sx-s'r0 1)1:2 4) 2:1 are 1) 1 3) 2)t 61. The sum of radi of inscribed and cireumscribed circles for an n sided regular polygon of side a is 3)r.5 4) r. E5 67. In AABC if -8, r =12 and 5=24 the ordered triple (a,b.c)= (AP EAMCET 2017 1) (8.12.14) 3) (16,12.20) 68. In AABC if e is any angle, then beos(C+0)+coos(B-0)= 1) acose 2) a sine 3) atane 4) aco 2) acot 2n 2) (12.16,20) 4) (16, 20,12) 1) cot 2. 2n 3) 4) acot In A4BC Which of the following statements is (AP EAMCET 0 true : 62. DIf 4ss - a) (s-b) (s-e) = b'e then it isa right angled triangle at A. 69. In AABC. if bcose=e-a, (where e i actue angle), then (e-a)tane= (AP EAMCET 2 I) f 3tan tan 1 then a, b, c are in A.P. 1) 2cu co acos 2) 2vcasin 3) 2casin 2. 4) 2cacon 74