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OpenStudy (anonymous):
Heather draws two regular pentagons. Which of the following is NOT always true? a. The two regular pentagons are similar. b. The two regular pentagons are congruent. c. The sum of the interior angles of each pentagon is 540°. d. The sum of the exterior angles of each pentagon is 360°. e. Each side of each pentagon is congruent to every other side of that pentagon.
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OpenStudy (mathstudent55):
All regular triangles are similar. All regular quadrilaterals are similar. All regular pentagons are similar. etc.
OpenStudy (anonymous):
so then what is the answer
OpenStudy (mathstudent55):
That should take care of a. Do you know what congruent means?
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