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# in isosceles triangle RST, what is measure of angle R? 1)

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Senior Manager
Joined: 04 Jun 2007
Posts: 366
in isosceles triangle RST, what is measure of angle R? 1) [#permalink]

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30 Oct 2007, 20:15
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in isosceles triangle RST, what is measure of angle R?
1) angle T= 100
2) angle S= 40
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Joined: 28 Mar 2006
Posts: 1369

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30 Oct 2007, 20:22
r019h wrote:
in isosceles triangle RST, what is measure of angle R?
1) angle T= 100
2) angle S= 40

Should be A

From (1) the other two angles should be 40 apiece GOOD ENOUGH

From(2) it can be 40,100 or 70,70 INSUFF
Re: DS isos triangle   [#permalink] 30 Oct 2007, 20:22
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