Home
Class 9
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)`

Promotional Banner

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

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

Two circles with radii r_1 and r_2, r_1 gt r_2 ge 2, touch other externally. If 'alpha' be the angle between direct common tangents ,then

If a,b and c are sides of a ritht triangle where c is the hypotenuse, prove that the radius of the circle which touches the sides of the triangle is r = (a + b-c)/(2).

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 .

The sides AB,BC and AC of a triangle ABC touch a circle with centre O and radius r at P Q,and R respectively.