# What Does Ab Cd Mean Math?

AB║CD because two line segments are parallel if angles made by them form alternate angles pair. How do you know that segments AB and CD are parallel? we know Two lines are parallel if they have same slope, perpendicular if their slopes are negative reciprocals.

## What are the symbols for AB and CD?

AB CD : The line AB is perpendicular to line CD: Parallel: EF GH : The line EF is parallel to line GH: Degrees: 360° 360 degrees (a full rotation!) Right Angle (90°) is 90° A right angle is 90 degrees: Line Segment "AB" AB : The line segment between A and B: Line "AB" The infinite line that includes A and B: Ray "AB"

## What should the BC and AB = CD projection be?

The C point must retrace to either a 0.618 or 0.786 and the BC projection is either 1.27 or 1.618. When the BC projection and the AB=CD completion converge closely and define a small area, the chance of a reversal increases. The first target would be the 382 retracement of AD and the second target the 618 retracement of AD.

## Which is the correct equation for AB + CD?

AB+CD=AC+BD implies (A-D) (B-C)=0, so there exist different polynomials satisfying the relation iff the ring of coefficients has zero divisors. AB +C D = AC +BD implies (A− D)(B − C) = 0, so there exist different polynomials satisfying the relation iff the ring of coefficients has zero divisors.

## What's the AB = CD pattern for the dollar?

There are several variations, based on CD being an extension of AB such as the 1.27 AB=CD or the 1.618 AB=CD pattern. On CPI news yesterday dollar has gained a bit to 1.1770, however this is very short term impact on the market.

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