Download Test Geometry Interior Exterior Angles, Isosceles Triangles

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Geometry Test: Interior, Exterior Angles and Isosceles Triangles.
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5.
Proof that the base angles of an isosceles triangle are equal
(congruent):
Fill in the missing Reasons.
Statements
Reasons
Triangle ABC
Given
AC = BC
Given
Draw CD to midpoint of AB
AD = DB
CD = CD
Triangle ACD
<A
<B
Triangle DCB