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Mathematics 19 Online
kayla2001:

he regular pentagon ABCDE rotates counterclockwise about its center to form pentagon A′B′C′D′E′. The angle of rotation at which point A′ coincides with point D is °.

jhonyy9:

- first of all try drawning a regular pentagon ABCDE - note the point of A - rotate counterclockwise about its center till A' coindide with point D - measure the angle of rotation at which point A' coincides with point D hope helped

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