Home
Class 12
MATHS
Two circles having radii r1 and r2 passi...

Two circles having radii `r_1` and `r_2` passing through vertex A of triangle ABC. One of the circle touches the side BC at B and the other circle touches the side BC at C. If a =5cm and `A=30^@` find `sqrt(r_1r_2)`

Text Solution

Verified by Experts

The correct Answer is:
5
Promotional Banner

Topper's Solved these Questions

  • CIRCLE

    VK JAISWAL|Exercise Exercise - 4 : Matching Type Problems|2 Videos

  • BIONMIAL THEOREM

    VK JAISWAL|Exercise Exercise-4 : Subjective Type Problems|15 Videos

  • COMPLEX NUMBERS

    VK JAISWAL|Exercise EXERCISE-5 : SUBJECTIVE TYPE PROBLEMS|8 Videos

Similar Questions

Explore conceptually related problems

If a circle touches the side BC at point P, extended side AB at Q and extended side AC at R. Then AQ is equal to :

In the figure, all three sides of a triangle ABC touch the circle at points P, Q and R. Find the value of x.

IF two circles of radii r_1 and r_2 (r_2gtr_1) touch internally , then the distance between their centres will be

A triangle ABC is such that a circle passing through vertex C, centroid G touches sides AB at B. If AB=6, BC=4 then the length of median through A

If the sum of the areas of two circles with radii R_1 and R_2 is equal to the area of a circle of radius R, then

Two concentric circles are of radii 7cm and r cm respectively, where r gt 7 . A chord of the larger circle of length 46cm , touches the smaller circle. Find the value of r .

Two circles of radii r_(1) and r_(2), r_(1) gt r_(2) ge2 touch each other externally. If theta be the angle between the direct common tangents, then,

If I_(1) is the centre of the escribed circle touching side BC of !ABC in which angleA=60^(@) , then I_(1) A =