Chizmadagi ABCD parallelogrammning yuzi 64 cm^2 ga teng boʻlsa, FKCD toʻrtburchakning yuzini (cm^2) toping…

$S_{AFK}=\frac{AF}{AD}\cdot\frac{AK}{AB}\cdot\frac12S=\frac34\cdot\frac12\cdot\frac12\cdot64=12$, $S_{KBC}=\frac{KB}{AB}\cdot\frac12S=\frac12\cdot\frac12\cdot64=16$. $S_{FKCD}=64-12-16=36$.

Manba: UZBMB namunaviy test topshiriqlari (Milliy sertifikat, Matematika)