Unit 5 Test Study Guide Relationships In Triangles ❲PROVEN❳

Here’s a for a typical Unit 5: Relationships in Triangles (commonly from Geometry courses like Pearson, Eureka, or Texas TEKS).

Triangles ( ABC ) and ( DEF ) have ( AB=DE, AC=DF ), ( \angle A=80^\circ, \angle D=60^\circ ). Compare ( BC ) and ( EF ). ( BC > EF ) 8. Exterior Angle Theorem Exterior angle = sum of two remote interior angles. unit 5 test study guide relationships in triangles

Triangle ( ABC ) has midpoints ( D ) on ( AB ) and ( E ) on ( AC ). If ( BC = 18 ), find ( DE ). Answer: ( DE = 9 ) 2. Perpendicular Bisectors & Circumcenter Perpendicular bisector: A line/segment/ray perpendicular to a segment at its midpoint. Here’s a for a typical Unit 5: Relationships

If third sides differ, the angle opposite the longer side is larger. ( BC > EF ) 8