In an acute angled triangle `A B C ,r+r_1=r_2+r_3a n d/_B >pi/3,` then `b+2c<2a<2b+2c` `b+4c<4a<2b+4c` `b+4c<4a<4b+4c` `b+3c<3a<3b+3c`

In an acute angled triangle A B C ,r+r_1=r_2+r_3a n d/_B >pi/3, then (a) b+2c<2a<2b+2c (b) b+4c<4a<2b+4c (c) b+4c<4a<4b+4c (d) b+3c<3a<3b+3c

In an acute angled triangle A B C ,r+r_1=r_2+r_3a n d/_B >pi/3, then (a) b+2c<2a<2b+2c (b) b+4c<4a<2b+4c (c) b+4c<4a<4b+4c (d) b+3c<3a<3b+3c

In an acute angled triangle ABC,r+r_(1)=r_(2)+r_(3) and /_B>(pi)/(3), then b+2c<2a<2b+2cb+4c<4a<2b+4cb+4c<4a<4b+4cb+3c<3a<3b+3c

In an acute angle triangle ABC r+r_(1)=r_(2)+r_(3) and angleB gt (pi)/(3) then

In an acute angled triangle ABC, r + r_(1) = r_(2) + r_(3) and angleB gt (pi)/(3) , then

In an acute angled triangle ABC, r + r_(1) = r_(2) + r_(3) and angleB gt (pi)/(3) , then

In an acute angled triangle A B C , a semicircle with radius r_a is constructed with its base on BC and tangent to the other two sides. r_b a n dr_c are defined similarly. If r is the radius of the incircle of triangle ABC then prove that 2/r=1/(r_a)+1/(r_b)+1/(r_c)dot

In an acute angled triangle A B C , a semicircle with radius r_a is constructed with its base on BC and tangent to the other two sides. r_b a n dr_c are defined similarly. If r is the radius of the incircle of triangle ABC then prove that 2/r=1/(r_a)+1/(r_b)+1/(r_c)dot

With usual notations in a triangle A B C , if r_1=2r_2=2r_3 then 4a=3b (b) 3a=2b 4b=3a (d) 2a=3b