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2. Congruence (geometry) - Wikipedia

   en.wikipedia.org/wiki/Congruence_(geometry)

   AAS (angle-angle-side): If two pairs of angles of two triangles are equal in measurement, and a pair of corresponding non-included sides are equal in length, then the triangles are congruent. AAS is equivalent to an ASA condition, by the fact that if any two angles are given, so is the third angle, since their sum should be 180°.

3. Solution of triangles - Wikipedia

   en.wikipedia.org/wiki/Solution_of_triangles

   Since no triangle can have two obtuse angles, γ is an acute angle and the solution γ = arcsin D is unique. If b < c, the angle γ may be acute: γ = arcsin D or obtuse: γ ′ = 180° − γ. The figure on right shows the point C, the side b and the angle γ as the first solution, and the point C ′, side b ′ and the angle γ ′ as the ...

4. Trigonometry of a tetrahedron - Wikipedia

   en.wikipedia.org/wiki/Trigonometry_of_a_tetrahedron

   The 12 face angles - there are three of them for each of the four faces of the tetrahedron. The 6 dihedral angles - associated to the six edges of the tetrahedron, since any two faces of the tetrahedron are connected by an edge. The 4 solid angles - associated to each point of the tetrahedron.

5. Exterior angle theorem - Wikipedia

   en.wikipedia.org/wiki/Exterior_angle_theorem

   The high school exterior angle theorem (HSEAT) says that the size of an exterior angle at a vertex of a triangle equals the sum of the sizes of the interior angles at the other two vertices of the triangle (remote interior angles). So, in the picture, the size of angle ACD equals the size of angle ABC plus the size of angle CAB.

6. The best cookbooks of 2024 - AOL

   www.aol.com/best-cookbooks-2024-185044026.html

   These are the best cookbooks of 2024, including the latest Half-Baked Harvest cookbook, Dolly Parton's newest cookbook, and the 25th anniversary edition of America's Test Kitchen.

7. Internal and external angles - Wikipedia

   en.wikipedia.org/wiki/Internal_and_external_angles

   The interior angle concept can be extended in a consistent way to crossed polygons such as star polygons by using the concept of directed angles.In general, the interior angle sum in degrees of any closed polygon, including crossed (self-intersecting) ones, is then given by 180(n–2k)°, where n is the number of vertices, and the strictly positive integer k is the number of total (360 ...