Bok
[tex] \frac{ {a}^{2} \sqrt{3} }{4} = 49 \sqrt{3} | \times 4 \\ {a}^{2} \sqrt{3} = 196 \sqrt{3} | \div \sqrt{3} \\ {a}^{2} = 196 \\ a = \sqrt{196} \\ a = 14[/tex]
Wysokość
[tex] \frac{a \sqrt{3} }{2} = \frac{14 \sqrt{3} }{2} = \boxed{\boxed{7 \sqrt{3} }}[/tex]
