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 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 the direct common tangents (agtbge2) , then

Two circles with radii a and b 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)) .

Two circles with radii a and b 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)) .

Two circles with radii a and b 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)) .

Two circles with radii a and b 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)) .

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)) .

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.