Math, asked by Anonymous, 1 year ago

Formula of direct common tangent..

adityakjha24: Inngeometry ...direct common tangent = √ d^2 - (r1 -r2)^2

adityakjha24: d = distance between centres

Anonymous: thank u bhaiya....

adityakjha24: r1 - radius of first circle ,r2 - radius of second circle

adityakjha24: wlcm sister

Answers

Answered by Anonymous

We know for the direct common tangents the circles should coincide each other so that there will be two direct common tangents can be formed this the formula for the direct common tangent is

C1C2 <r1+r2
by this means the circles are coincident and there are two direct common tangents....

Answered by adityakjha24

There are two circle of radius r1 and r2

If their centers are d units apart , then the length of the direct common tangent =

√ d^2 - (r1 - r2)^2

Hope it helps

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