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  1. If two angles and the side between them in one triangle are congruent, respectively, to two angles and the side between them in a second triangle, the triangles are congruent.
    by Dr. Osama M. Khaled — published Nov 29, 2025 — last modified Dec 05, 2025 10:54 AM Located in Mathematics / … / Congruent Triangles and Similar Triangles / Use congruence properties to prove that two triangles are congruent
  2. If two angles of a triangle are congruent, then the sides opposite the angles have the same length, and the triangle is isosceles
    by Dr. Osama M. Khaled — last modified Oct 17, 2025 09:55 PM Located in Mathematics / … / Triangles / Identify isosceles triangles
  3. If two kids pull a rob against each other with exactly same force, what is the result of the added forces?
    by Dr. Osama M. Khaled — published Jul 17, 2022 — last modified May 30, 2025 09:04 PM Located in Physics / Force and Motion / Adding Forces
  4. If two lines are cut by a transversal, then the angles on the same side of the transversal and in corresponding positions with respect to the lines are called ________ angles.
    by Dr. Osama M. Khaled — published Sep 18, 2023 — last modified Sep 19, 2023 10:50 PM Located in Mathematics / … / Parallel and Perpendicular Lines / Identify corresponding angles, interior angles, and alternate interior angles
  5. If two lines are parallel to a third line, the are not necessarily parallel to each other
    by Dr. Osama M. Khaled — published Feb 28, 2024 — last modified Feb 28, 2024 11:59 PM Located in Mathematics / … / Parallel and Perpendicular Lines / Use properties of parallel lines cut by a transversal to find unknown angle measures
  6. If two lines do not lie in the same plane, they are called ________
    by Dr. Osama M. Khaled — published Sep 17, 2023 — last modified Sep 17, 2023 11:36 AM Located in Mathematics / … / Parallel and Perpendicular Lines / Identify and define parallel and perpendicular lines
  7. If two lines lie in the same plane, they are called ________
    by Dr. Osama M. Khaled — published Sep 17, 2023 — last modified Sep 17, 2023 11:30 AM Located in Mathematics / … / Parallel and Perpendicular Lines / Identify and define parallel and perpendicular lines
  8. If two sides and an angle of △ABC are congruent to two sides and angle of △DEF, this makes the two triangles congruent
    by Dr. Osama M. Khaled — published Dec 05, 2025 — last modified Dec 06, 2025 01:37 AM Located in Mathematics / … / Congruent Triangles and Similar Triangles / Use congruence properties to prove that two triangles are congruent
  9. If two sides and the angle between them in one triangle are congruent, respectively, to two sides and the angle between them in a second triangle, the triangles are congruent.
    by Dr. Osama M. Khaled — published Nov 29, 2025 — last modified Dec 05, 2025 12:39 AM Located in Mathematics / … / Congruent Triangles and Similar Triangles / Use congruence properties to prove that two triangles are congruent
  10. If two sides of a triangle are congruent, then the angles opposite those sides are congruent
    by Dr. Osama M. Khaled — last modified Oct 17, 2025 10:14 PM Located in Mathematics / … / Triangles / Identify isosceles triangles
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