AnswersGeometry - Semester 1 PathwaysTriangles and Their Side Lengths

Triangles and Their Side Lengths — Unit test Answers

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3

Examine this figure. Which two pieces of information, if true, would help to prove that ΔLMP ≅ ΔNMP by HL? Select two options.

A
Point P is the midpoint of MK.
B
Line MK is the perpendicular bisector of LN.
C
ML ≅ MP
D
ML ≅ MN
E
PK ≅ PK
4

The triangles are congruent by SSS or HL.

Question illustration
t
translation only
r
reflection only
r
rotation, then reflection
r
rotation, then translation
5

The triangles are congruent by SSS and HL.

Question illustration
r
reflection only
t
translation only
r
reflection, then translation
r
rotation, then translation
6

Triangles F G H and F J H share common side F H. Sides F G and G H are congruent. Sides F J and J H are congruent.

Question illustration
T
They are congruent because GH ≅ GF, JF ≅ JH, and FH ≅ FH.
T
They are congruent because opposite sides of a parallelogram are congruent.
T
They are not congruent because only one pair of corresponding sides is congruent.
T
They are not congruent because only two pairs of corresponding sides are congruent.
7

The triangles are congruent by the SSS congruence theorem.

Question illustration
r
reflection, then rotation
r
reflection, then translation
r
rotation, then translation
r
rotation, then dilation
8

The triangles are congruent by the SSS congruence theorem.

Question illustration
r
reflection, then dilation
r
reflection, then translation
r
rotation, then translation
r
rotation, then reflection
9

The triangles are congruent by SSS or HL.

Question illustration
t
translation only
r
rotation only
r
rotation, then reflection
r
reflection, then translation
10

Which transformation(s) can be used to map one triangle onto the other? Select two options.

A
reflection only
B
translation only
C
dilation, then translation
D
rotation, then translation
E
rotation then dilation

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