Задача · 9 класс Задача №2632852
А
А
\[ c \approx 10.00 \text{ см} \]
\[ \sin a = \frac{\sqrt{1 - \left(\frac{40}{41}\right)^2}}{1} = \frac{9}{41} \]
\[ R = \frac{54}{\sin(30°)} = 108 \text{ см} \]
\[ S \approx 539.56 \text{ см}^2 \]
\[ c \approx 10.00 \text{ см} \]
\[ \sin a = \frac{\sqrt{1 - \left(\frac{40}{41}\right)^2}}{1} = \frac{9}{41} \]
\[ R = \frac{54}{\sin(30°)} = 108 \text{ см} \]
\[ S \approx 539.56 \text{ см}^2 \]