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length of dct2=d2-(r1-r2)

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12y ago

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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.


What is the formula of tan2x?

The formula for (\tan(2x)) is given by the double angle identity: [ \tan(2x) = \frac{2\tan(x)}{1 - \tan^2(x)} ] This formula allows you to express the tangent of double an angle in terms of the tangent of the original angle (x).


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

you can use the sine, cosine, tangent formula.


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

tangent


What is the formula for prime cost?

Formula for prime cost = direct material + direct labor