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length of dct2=d2-(r1-r2)

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Q: Formula for direct common tangent
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Related questions

If a circle of radius 2 is externally tangent to a circle of radius 8 what is the length of their common tangent?

the length of thr direct common tangent will be 2*{1/2 power of (r1*r2)} the answer will be 8 units in this case...


What is a common tangent?

A common tangent is a line which is tangent to two (or more) curves.


What is the formula in getting a tangent?

For a right angle triangle: tangent = opposite/adjacent


Is tangent and a circle can have exactly one point in common?

From the definition of tangent, it can ONLY have one point in common called the tangent point.


What is the formula for tangent ratio?

Opposite / adjacent


How do you find x assume that segments that appear tangent are tangent?

A tangent refers to the way in which a curve is measured. The amount of deviation from the segment line is measures, then a formula applied to find the tangent.


What does tangent mean in math?

Tangent, in geometry, is used to describe when figures have only one point in common. In Trig. tangent is applied to triangles.


What is the tangent formula in trig?

The Tangemt Formula for Geometry is opposite over adjacent, or opp./adj.


How do you solve for a triangle with two angles but no lengths?

you can use the sine, cosine, tangent formula.


What is the formula for prime cost?

Formula for prime cost = direct material + direct labor


What is the geometric term for a line that has but one point in common with a circle?

tangent


What formula do I use to set the angle on my lathe's tool post to cut a taper from a drawing?

A = Large end diameter of the taper B = Small end diameter of the taper L = Direct distance between A and B Formula: A \ B \ L \ 2 then Invert Tangent = The degrees you set your tool post at.