Illustrative Math Geometry: Congruence

Presentation

•

Mathematics

•

9th - 12th Grade

•

Hard

Joseph Anderson

FREE Resource

5 Slides • 6 Questions

2/8-9 Geo Triangle Congruence

Congruent Triangles

Vocabulary

Corresponding Angles: Angles in the same position of two congruent triangles (polygons)
Corresponding Sides: Sides in the same position of two congruent triangles (polygons)
Congruent Polygons: Two polygons that are the same size and shape with corresponding angles and sides congruent.

Multiple Choice

Which statement indicates that the triangles in each pair are congruent?

∆LMK ≅ ∆LMT

∆LTKM ≅ ∆LMT

∆LMK ≅ ∆TMK

∆TMK ≅ ∆TLK

None of these

Multiple Choice

If ∆LMK ≅ ∆LMT, then

∠K ≅ ____

∠M

∠T

∠L

NOne of these

Multiple Choice

Remember order matters. Which of the following is true?

∆FGH ≅ ∆VHW

∆HGF ≅ ∆VHW

∆HFG ≅ ∆HWV

∆FGH ≅ ∆VWH

Vocabulary

Triangle rigidity: If the side lengths of a triangle are given, the triangle can have only one shape.
Included angle: An angle formed by two adjacent sides of a polygon.

Multiple Choice

Which is a correct congruence statement?

Multiple Choice

Which statement would make these 2 triangles congruent by SSS?

\overline{DE}\cong\overline{AB}

$\overline{BA}\cong\overline{ED}$

$\overline{ED}\cong\overline{AB}$

$\overline{CA}\cong\overline{CE}$

Multiple Choice

Complete the congruence statement.

OEG

EGO

OGE

GEO

2/8-9 Geo Triangle Congruence

Congruent Triangles

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