1.In a given circle, the radius is 9cm. what is its diameter? A.18m B.18cm C.4.5m D.4.5cm

2. Which of the following is the formula in solving the area of a circle? A. A=2πr B.A=πu² C. A=πd D. A=2πu²

3. The diameter of a circle is 8cm, what is its area? A.50.24 cm² B.200.96 cm⅔ C.25.12 cm² D.100.48cm²

4. What is the radius of a circle if the area is 36m²? A.0.339 m B.3.39 m C.33.9 m D.339m

5. What is the area of a circle if the radius is 5m? A.15.7m² B.31.4 m² C.78.5 m² D.157m²

The bottom of a circular swimming pool with a diameter of 40 feet is a m up of blue tiles. How many square feet is that?

6. What is asked in the problem? A. the shape of the swimming pool. B. The diameter of the swimming pool. C. The color of the tiles D. The area of the swimming pool.

7. What is given in the problem? A. Radius of 80m B. Diameter of 40 ft. C. Radius of 80 ft. D. Diameter of 40m

8. What is the appropriate formula to be used to solve the problem? A. A =2πr B. A =πu² C. A=πd D. A =2 πr²

9. What is the answer to the problem? A. 1,256 ft² B. 1256 m ² C. 1256 cm ² D. 1256 in²

10. What is the correct conclusion for the problem? A. The diameter of the swimming pool is 1256 ft ². B. The radius of the swimming pool is 1256 m ². C. The area of the swimming pool is 1256 ft ². D. The circumference of the swimming pool is 1256 ft ²

Pls answer it took me so long to write this