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Chapter 4: Q5. (page 149)
In Exercises 1-6 you are given a diagram that is marked with given information. Give the reason for each key step of the proof.
Prove:
Key steps of proof:
a.
b.
c.
d.
a. | SAS postulate |
b. | Corr. parts of are . |
c. | SAS postulate |
d. | Corr. parts of are . |
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Suppose you know that Explain how you can deduce that
Decide whether you can deduce by the SSS, SAS, or ASA postulate that another triangle is congruent to . If so, write the congruence and name the postulate used. If not, write no congruence can be deduced.
Copy each three-dimensional figure and with coloured pencils outline the triangles listed. What postulate proves that these triangles are congruent?
Given: pyramid with square base;
Show: ,
Decide whether you can deduce by the SSS, SAS, or ASA postulate that another triangle is congruent to . If so, write the congruence and name the postulate used. If not, write no congruence can be deduced.
Decide whether you can deduce by the SSS, SAS, or ASA postulate that another triangle is congruent to . If so, write the congruence and name the postulate used. If not, write no congruence can be deduced.
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