1 and 3
1 and 2
1 and 4
2 and 3
Only 1
Only 2
1 and 2
2 and 3
`GP`
`AP`
`HP`
Neither in `GP` nor `AP` nor in `HP`
Only 1
Only 2
Both 1 and 2
Neither 1 nor 2
`pi`
`pi/3`
`pi/2`
`pi/4`
`((sqrt 3+1)/2) cm^2`
`2 (sqrt 3+1) cm^2`
`((sqrt 3+1)/3) cm^2`
`((sqrt 3-1)/2) cm^2`
`pi/2`
`pi/3`
`pi/4`
`pi`
`c=a+b`
`c^2=a^2+b^2-ab`
`a^2=b^2+c^2-bc`
`b^2=a^2+c^2-ac`
`tan^(-1) 2`
`tan^(-1) 4`
`pi/4`
`pi/3`
`150^o`
`135^o`
`120^o`
`105^o`
`75^o`
`60^o`
`45^o`
`30^o`
`(3c-4b)/(2c)`
`(3c-4b)/(2c)`
`(4c-3b)/(2c)`
`(3b-4c)/(2c)`
`15^o`
`30^o`
`45^o`
None of these
`15^o`
`30^o`
`45^o`
None of these
`(7-2 sqrt 3) :1`
`(7 -4 sqrt 3) :1`
`1:2`
None of these
`0`
`1`
`2`
None of these
`pi/4`
`pi/3`
`pi/2`
`pi/6`
`(9pi-10)/pi`
`(90pi-100)/(7pi)`
`(90pi-10)/pi`
None of these
`3:2:1`
`1: sqrt 2 : sqrt 3`
`1: sqrt 3 :2`
`2: sqrt 3:4`
Angles `A,B` and side a
Angles `A, B` and side b
Angles `A, B` and side c
Either (a) or (b) or (c)
isosceles triangle
equilateral triangle
right angled triangle
scalene triangle
`120^o`
`90^o`
`75^o`
`60^o`
`90^o`
`120^o`
`135^o`
`150^o`
Angles `A,B` and side a
Angles `A, B` and side b
Angles `A, B` and side c
Either (a) or (b) or (c)
`255/1313`
`265/1313`
`275/1313`
`770/1313`
`sqrt 5 -2`
`sqrt 5+2`
`sqrt 3-1`
`sqrt 3+1`
`sqrt 2` cm
`2` cm
`1` cm
`1/2` cm
`tan A + tan B = 0`
`tan B - tan C = 0`
`tan C + 2 tan A = 0`
`tan B + tan C = 0`
`30^o`
`45^o`
`90^o`
`135^o`
The triangle is obtuse angled
The triangle is acute angled but not right angled
The triangle is right angled
The triangle is isosceles, but not obtuse angled