GEOMETRY, 2008
10

 PAGE: 221 SET: Exercises PROBLEM: 10

From the graph the vertices are .

Find the distance of each length using distance formula.

The distance formula is .

(Write the distance formula)

(Substitute )

(Simplify)

(Substitute )

(Simplify)

(Substitute )

(Simplify)         (Substitute )

(Simplify)

(Substitute )

(Simplify)

(Substitute )

(Simplify)

By the definition of congruence, .

The corresponding sides of the triangle are congruent and So, .

The triangles are congrueent, .

The congruence transformation is flip or rotation.

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