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Mathematics, 07.05.2021 17:20 lulustar13
Given triangle ABC, which equation could be used to find the measure of angle B?
![\cos \: m \: angle \: b = \frac{ \sqrt{5} }{5}](/tpl/images/2339/7250/750d0.png)
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Given triangle ABC, which equation could be used to find the measure of angle B?
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