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Darina1511
@Darina1511
July 2022
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Помогите сделать 1-3
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snow99
1) a = b*sina/sinb = 15*2/25 / 1/3 = 30/25 * 3 = 90/25 = 3,6
2) a = 2*Rsina = 2*21,6*5/12 = 21,6*5/6 = 3,6*5 = 18
3) p = (25+51+74)/2 = 150/2 = 75
S = sqrt(75*50*24*1) = sqrt(3*25*25*2*4*2*3) = 3*25*2*2 = 300
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Answers & Comments
2) a = 2*Rsina = 2*21,6*5/12 = 21,6*5/6 = 3,6*5 = 18
3) p = (25+51+74)/2 = 150/2 = 75
S = sqrt(75*50*24*1) = sqrt(3*25*25*2*4*2*3) = 3*25*2*2 = 300