АВ-? Н=16 см <ВАК=<img src="https://tex.z-dn.net/?f=+30%5E%7B0%7D+" id="TexFormula1" title=" 30^{0} " alt=" 30^{0} " align="absmiddle" class="latex-formula"> АВ=Н/sin=16÷1/2=32cm