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Лина1313л
@Лина1313л
August 2022
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Помогите, срочно нужно!!!!
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Nessyes
D=P= 64', L=52'
D=x': x+0,5x+(180-96')=180
1,5x=96
x=64'
180 - 64*2= 52
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srzontmp
∠PMD = 180 - ∠PML = 180 - 96 = 84
∠D = ∠P - т.к. треугольник равнобедренный
∠DPM = 1/2 ∠P = 1/2 ∠D - т.к. PM - биссектрисса
∠D + ∠DPM + ∠PMD = 180
∠D + 1/2 ∠D + 84 = 180
3/2∠D = 96
∠D = 96*2/3 = 64
∠P = ∠D = 64
∠L = 180 - 64 - 64 = 52
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Answers & Comments
D=x': x+0,5x+(180-96')=180
1,5x=96
x=64'
180 - 64*2= 52
∠D = ∠P - т.к. треугольник равнобедренный
∠DPM = 1/2 ∠P = 1/2 ∠D - т.к. PM - биссектрисса
∠D + ∠DPM + ∠PMD = 180
∠D + 1/2 ∠D + 84 = 180
3/2∠D = 96
∠D = 96*2/3 = 64
∠P = ∠D = 64
∠L = 180 - 64 - 64 = 52