Ответ:
1)12×2+24
2)3.6²+3.6²=x²
25.92
x=√25.92=5.09
3)BC=8
AB=8×2=16
4)BC=2.5
B=60°
A=30°
AB=2BC=2.5×2=5
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Ответ:
1)12×2+24
2)3.6²+3.6²=x²
25.92
x=√25.92=5.09
3)BC=8
AB=8×2=16
4)BC=2.5
B=60°
A=30°
AB=2BC=2.5×2=5