Question
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Answer
Side FR is the side included between angle F and angle R in triangle FKR.
Solution
In triangle
, each angle is located at one of the vertices:
- Angle F is at vertex
. - Angle R is at vertex
.
The side that is included between two angles is the side that directly connects the two vertices where those angles are located. Therefore, the side included between
and
is the side that connects vertex
to vertex
.
Thus, the side included between
and
is side
.
Answer: Side FR is the side included between angle F and angle R in triangle FKR.
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Bonus Knowledge
In triangle
, the side that is included between
and
is side
. This side connects the endpoints of the two angles, making it the included side. Just think of it as the bridge that connects the points where the angles open up!
Every triangle has a unique configuration where the included side plays a vital role in defining its properties and relationships, like the Law of Cosines or at times even the area formulas. If you’re ever sketching or solving problems involving triangles, clearly marking the included sides can help prevent lots of mix-ups and confusion.