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Geometry

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Eliane Labadie

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Cards in this guide (10)
Common Segments Theorem

if segment ab is congruent to segment CD then segment ac is congruent to segment bd (only if points a, b, c, and d are all collinear)

If a point is equidistant from the endpoints of a segment then it is on

on the perpendicular bisector of the segment.

The LL theorem is a special case of the SSS or the

SAS postulate or SSS postulate.

What is the length of MN

A picture would help, otherwise "MN" could be anything.

The measure of angle x is 73.5 degreeswhat is the measure of the angles complement in degrees

16.5 degrees

Which best describes the circumcenter of a triangle

The point where the perpendicular bisectors of the three sides of the triangle intersect

What are facts about right triangles
  1. The ratio of the length of the side opposite a given angle to the hypotenuse is the sine of that angle.
  2. The ratio of the length of the side adjacent to a given angle to the hypotenuse is the cosine of that angle.
  3. The ratio of the length of the side opposite a given angle to the side adjacent to that angle is the tangent of that angle.
The size of a television is given by the length of its diagonal. What is the size of a television that has a width of 24 inches and a length of 45 inches

Using Pythagoras' theorem the diagonal works out as 51 inches

If A (10 4) and B (2 19) what is the length of AB

Length AB is 17 units

If STU ABC which congruences are true by CPCTC Check all that apply

T ≈ B

TU ≈ BC

S ≈ A

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