Geometry Concepts and Principles

This video tutorial covers geometry concepts, focusing on congruency and similarity in triangles, the triangle inequality theorem, properties of parallelograms, and angle calculations in quadrilaterals. It provides step-by-step explanations and examples to help students understand and apply these concepts effectively.

How can students access the documents for the Geometry CS review?

• By asking the teacher for a copy

• By purchasing them online

• By visiting the library

• By Googling CST geometry released questions

Which postulate is used to prove two triangles are congruent if two sides and the included angle are known?

• SAS

• ASA

• SSS

• AAS

What is the special rule for similarity in triangles involving two angles?

• SAS

• ASA

• SSS

• AA

If E is the midpoint of CD, what does this imply about segments CE and ED?

• CE is shorter than ED

• CE is longer than ED

• CE and ED are unrelated

• CE is congruent to ED

What must be true for the sum of any two sides of a triangle?

• It must be less than the third side

• It must be unrelated to the third side

• It must be equal to the third side

• It must be greater than the third side

Which set of numbers can represent the sides of a triangle?

• [5, 5, 15]

• [3, 3, 5]

• [2, 2, 5]

• [4, 4, 8]

What is true about angles formed by parallel lines cut by a transversal?

• They are always congruent

• They are unrelated

• They are always supplementary

• They are either congruent or supplementary

What must be true for a quadrilateral to be a parallelogram?

• Adjacent sides must be equal

• All angles must be right angles

• Opposite sides must be parallel and congruent

• All sides must be equal

If adjacent angles in a parallelogram are congruent, what shape could it be?

• A rectangle

• A trapezoid

• A kite

• A rhombus

What is the sum of the interior angles of a quadrilateral?

• 180 degrees

• 360 degrees

• 450 degrees

• 270 degrees