Unit 4 Test Answers
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Given: mTRV = 60° mTRS = (4x)°Prove: x = 30What is the missing reason in step 3?
A
substitution property of equalityB
angle addition postulateC
subtraction property of equalityD
addition property of equality22
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Triangles L O A and L A M share side L A. Angles O L A and A L M are congruent.
A
LO ≅ LMB
OA ≅ MAC
LOA ≅ LMAD
LAO ≅ LAM23
Two sides and the non-included right angle of one right triangle are congruent to the corresponding parts of another right triangle. Which congruence theorem can be used to prove that the triangles are congruent?
A
AASB
SSSC
SASD
HL24
The triangles are congruent by the SSS congruence theorem.
A
reflection onlyB
rotation onlyC
translation, then reflectionD
translation, then rotation25
Triangles A B C and Q R S are shown. Sides A B and Q R are congruent. Angles C A B and R Q S are congruent. Angles Q S R and A C B are congruent.
A
a reflection across the line containing ABB
a rotation about point BC
a reflection across the line containing CBD
a rotation about point CDid you find these answers helpful?
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