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Dissecting Triangles

Dissecting Triangles 1.3 - Solution

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We want to find the value of in the given diagram.

We know that is the perpendicular bisector of The Perpendicular Bisector Theorem tells us that, if a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment. Because lies on it is equidistant from the endpoints of To find the value of we can solve the above equation.
Solve for