Home
Class 12
MATHS
In triangle ABC, r=(R )/(6) and r(1)=7r....

In triangle `ABC, r=(R )/(6)` and `r_(1)=7r`. Then the measure of angle A =

Text Solution

Verified by Experts

The correct Answer is:
8
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS ENGLISH|Exercise PROPERTIES AND SOLUTIONS OF TRIANGLES EXERCISE 6 : SINGLE INTEGER ANSWER TYPE QUESTIONS|1 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS ENGLISH|Exercise Exercise (Subjective Type Questions)|21 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS ENGLISH|Exercise PROPERTIES AND SOLUTIONS OF TRIANGLES EXERCISE 5: MATCHING TYPE QUESTIONS|3 Videos

  • PRODUCT OF VECTORS

    ARIHANT MATHS ENGLISH|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|51 Videos

  • SEQUENCES AND SERIES

    ARIHANT MATHS ENGLISH|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|38 Videos

Similar Questions

Explore conceptually related problems

In a triangle ABC,r=

ln a triangle ABC, r_(1) + r =r_(2) + r_(3) . lf the measure of angle A is 60°, then s/a=

In triangle ABC, if r_(1)+r_(2)=3R and r_(2)+r_(3)=2R , then

In a triangle ABC, If A=B=120^(@) and R=8r, then the value of cosC is

In a triangle ABC , if 2R + r = r_(1) , then

If in a triangle ABC, r_(1)+r_(2)+r_(3)=9r , then the triangle is necessarily

In a triangle ABC if r_(1) = 36 , r_(2) = 18 and r_(3) = 12 , then the area of the triangle , in square units, is

In triangle ABC, of r_(1)= 2r_(2)=3r_(3) Then a:b is equal :-

If in triangle ABC (r)/(r_(1))=(1)/(2), then the value of tan(A/2)(tan(B/2)+tan(C/2)) is equal to

In a triangle ABC , if r_(1) =2r_(2) =3r_(3) , then a:b:c =