Draw a

Draw a triangle ABC, if you know:
alpha = 60°
side b = 4 cm
side a = 10 cm

Correct answer:

c =  11.381 cm

Step-by-step explanation:

$$\begin{gathered} 1.\mathrm{\sphericalangle }XAY;\mathrm{\sphericalangle }XAY=\alpha =60\mathrm{°} \\ 2.C;C\in AX;\mathrm{\mid }AC\mathrm{\mid }=b=4cm \\ 3.k;k(C;r=a=10cm) \\ 4.B;B=k\cap AY \\ 5.\mathrm{\Delta }ABC \\ c=11.381=11.381\text{ cm} \end{gathered}$$

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