Home
Class 11
MATHS
Two circles with radii aa n db touch eac...

Two circles with radii `aa n db` touch each other externally such that `theta` is the angle between the direct common tangents, `(a > bgeq2)` . Then prove that `theta=2sin^(-1)((a-b)/(a+b))` .

Promotional Banner

Similar Questions

Explore conceptually related problems

Two circles with radii a and b touch each other externally such that theta is the angle between the direct common tangents,(a>b>=2). Then prove that theta=2sin^(-1)((a-b)/(a+b))

Two circles with radii a and b touch each other externally such that theta is the angle between their direct common tangent (a>b>=2), then

Two circles of radii a and b touch each other externally and theta be the angle between their direct common tangents (a>b>=2) then

Two circles with radii 3 cm and 2.5 cm touch each other externally then find the distance between their centre.

Two circles with radii 5 cm and 4.5 cm touch each other externally then find the distance between their centre.

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,

Two circles of radii 5.5cm and 4.2cm touch each other externally. Find the distance between their centres.

Two circles of radii 4cm and 1cm touch each other externally and theta is the angle contained by their direct common tangents.Find sin(theta)/(2)+cos(theta)/(2)

Two circles of radii 5.5 cm and 4.2 cm touch each other externally. Find the distance between thir centres.

Two circles with radii 25 cm and 9 cm touch each other externally. The length of the direct common tangent is