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Chapter 4: Q7. (page 165)
Complete each sentence with the most appropriate word, phase or value.
If the measure of each interior angle of a polygon is 144, then the polygon has ________ sides.
The answer is 10.
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For the following figure, do the SAS postulates justify that the two triangles are congruent?
For the following figure, can the triangle be proved congruent. If so, what postulate can be used?
Copy and complete the proof.
1. Given: is the midpoint of . Prove: is the midpoint of
Proof
For the following figure, can the triangle be proved congruent? If so, what postulate can be used?
In the following figure, the two-triangle shown are congruent. Then complete the following statement.
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