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How do you solve a triangle with only 2 sides known and related angles?
In a triangle with angles A, B,C and sides a, b, c with side a opposite angle A, side b opposite angle B, and side c opposite angle C: If you know 2 of the angles (b and c), the third (a) can be calculated as the sum of the angles must be 180°: a = 180° - (b + c) If you know 2 of the sides (b and c) and the angle between them (A), the third side (a) opposite the angle A can be calculated using the cosine rule: a^2 = b^2 + c^2 - 2 b c cos A If you know one side (a) and the angle opposite it (A), then if a side (b) is known, the angle opposite it (B) can be calculated, or if an angle (C) is known the side (c) opposite it can be calculated, using the sine rule: (sin A)/a = (sin B)/b = (sin C)/c = 1/(2R) where R is the radius of the circumcircle of the triangle.
What postulate proves that two triangles are congruent?
Side Side Side Side Angle Side Angle Side Side Angle Side Angle Side Side Angle Angle Angle Side With Angle congruency and Side congruency in that order
What are the congruence shortcuts?
SSS-side, side, side SAS-side, angle, side ASA-angle, side, angle SAA-side, angle, angle
What is the meanings of sss asa aas and sas?
It is a maths term about making triangles SSS; Side,Side,Side ASA; Angle,Side,Angle AAS; Angle,Angle,Side SAS; Side,Angle,Side
What is an angle?
An angle consists of two rays or lines having the same endpoint (vertex). An angle is formed when two rays meet at an endpoint. The endpoint is called the vertex of the angle. The measure of an angle tells how far one side is turned from the other side -0 degrees is no turn and 360 degrees is one full turn. You can name angles by how their measures compare to 90 degrees or 180 degrees. There are 4 types of angles, acute angle, right angle, obtuse angle, and straight angle. An acute angle is an angle that measures less than 90 degrees. A right angle is an angle that measures exactly 90 degrees. A straight angle measures exactly 180 degrees.
