Question Number 193349 by Mingma last updated on 11/Jun/23
Answered by som(math1967) last updated on 11/Jun/23
$$\angle{P}=\angle{S} \\ $$$$\angle{Q}=\mathrm{18}\:\therefore\angle{P}=\mathrm{90}−\mathrm{18}=\mathrm{72} \\ $$$$\therefore\angle{S}=\mathrm{72} \\ $$
Commented by Mingma last updated on 11/Jun/23
Perfect ��