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# There is a regular pentagram on the picture. Find angle A. 2

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SVP
Joined: 03 Feb 2003
Posts: 1603

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There is a regular pentagram on the picture. Find angle A. 2 [#permalink]

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06 Nov 2003, 05:46
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There is a regular pentagram on the picture. Find angle A. 2 minutes.
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Kudos [?]: 304 [0], given: 0

SVP
Joined: 03 Feb 2003
Posts: 1603

Kudos [?]: 304 [0], given: 0

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06 Nov 2003, 12:26
36 is correct
A central angle...

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SVP
Joined: 16 Oct 2003
Posts: 1798

Kudos [?]: 170 [0], given: 0

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06 Nov 2003, 12:40
Can someone explain

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SVP
Joined: 03 Feb 2003
Posts: 1603

Kudos [?]: 304 [0], given: 0

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11 Nov 2003, 02:17
a central angle is twice the angle we need
CA is 360/5=72
A=72/2=36

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11 Nov 2003, 02:17
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# There is a regular pentagram on the picture. Find angle A. 2

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