Find the volume of a right circular cone that has a height of \( 2.5 ft \) and a base with a diameter of \( 8 ft \) . Round your answer to the nearest tenth of a cubic foot. Answer: ___\(ft^ { 3} \)

12. ถ้าคู่อันดับ \( (1,5),(4,2),(7,2),(8,5) \) เป็นจุดยอดมุมของรูปสี่เหลี่ยม แล้วรูปสี่เหลี่ยมนี้มีพื้นที่ กี่ตารางหน่วย \( \begin{array}{llll}\text { ก. } 15 & \text { ข. } 18 & \text { ค. } 24 & \text { 4. } 30\end{array} \)

4.Dairenin diametrini 30\% artırsaq, onun sahesi neçө faiz artar? \( \begin{array}{llll}\text { A) } 60 \% & \text { B) } 69 \% & \text { C) } 59 \% & \text { D) } 50 \% \\ \text { E) } 74 \% & \text { sor } \\ \end{array} \)

6. Lenght of a rectangular garden is 40 m and breadth is 30 m . a. 1 m How many mm? b. Find the perimeter of that garden? c. Find the area of that garden?

4. Area of Saju's rectangular flowerbed is \( 3230 \mathrm{~m}^{2} \) and the length is 95 m . c) Express the length of the flowerbed in cm and mm . d) Find the width of the flowerbed? e) How long is the perimeter of the flowerbed?

(2) Calcule o ponts rédio entre \( A(10,5) \) e \( B(2,7) \)