9:17 9:8 2. (Q8;26 2,6 ball) Quyidagi uchburchakda A shakl yuzi B shakl yuzining \( \frac{3}{13} \) qismini tashkil qiladi.Agar B shakl yuzi \( 65 \mathrm{~cm}^{2} \) bo‘lsa, A shakl yuzini toping. (Q8; 2,6 балла) В данном треугольнике площадь фигуры A составляет \( \frac{3}{13} \) части площади фигуры В. Найдите площадь фигуры А, если площадь фигуры В равна \( 65 \mathrm{~cm}^{2} \).

43. What is the difference between the total surface area and curved surface area of a cylinder whose radius is equal to 10 cm ? \( \begin{array}{ll}\text { (a) } 200 \pi \mathrm{~cm}^{2} & \text { (b) } 300 \pi \mathrm{~cm}^{2} \\ \text { (c) } 100 \pi \mathrm{~cm}^{2} & \text { (d) } 10 \pi \mathrm{~cm}^{2}\end{array} \)

5.3. A diameter and a chord, which is equal to the radius, are passed from the given point of the circle. Find the angle between them.

A rectangular prism has a length of 5 cm, a width of 3 cm, and a height of 4 cm. Calculate its volume.

В треугальнике \( A B C \) сторона \( A B \) равна 47 , угол \( C \) равен \( 150^{\circ} \) Найдите радиус описанной около этого треугольника окруж ности. Ответ:

5.3. A diameter and a chord, which is equal to the radius, are passed from the given point of the circle. Find the angle between them.