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How many ways can an arc be tangent to 2 lines?
Although normally it is the line that is considered to be tangent to an arc, an arc can be tangent to infinitely many lines and so the answer to the question is: in infinitely many ways.
What three ways to ensure that the measurement by a external callipers and a ruler is accurate?
I can't answer it
What happens when two tangent segments meet at a point outside a circle?
Nothing "happens". They meet, and the rays continue merrily along their ways, never to meet again!
Why does the value of the tangent ratio of a given angle not depend on the right triangle?
The tangent ratio is defined in several different ways. One of these consists of infinite series: the series for the tangent function contains some coefficients which are difficult to calculate. However, the tangent series van be easily calculated from the sine and cosine ratios.sin(x) = x - x3/3! + x5/5! - x7/7! + ...andcos(x) = 1 - x2/2! + x4/4! - x6/6! + ...where x is the angle defined in radians, and n! represents 1*2*3*...*n.So tan(x) = sin(x)/cos(x).None of these require a right angle.
What do fractions percents and decimals all have in common?
They are all ways of representing numbers.
