1. Find the area of a right triangle that has legs of 4.00 cm and 6.00 cm.

2. Find the length of the hypotenuse of the right triangle in Problem 11.

3. Find the cross-sectional area of a pipe with outer diameter 3.50 cm and inner diameter

3.20 cm.

4. Find the volume of a spherical water tank with radius 8.00 m.

5. The area of a rectangular parking lot is 900 m2. If the length is 25.0 m, what is the width?

6. The volume of a rectangular crate is 192 ft3. If the length is 8.00 ft and the width is 4.00 ft, what is the height?

7. Find the volume of a brake cylinder whose diameter is 4.00 cm and whose length is 4.20 cm.

8. Find the volume of a tractor engine cylinder whose radius is 3.90 cm and whose length is 8.00 cm.

9. A cylindrical silo has a circumference of 29.5 m. Find its diameter.

10. If the silo in Problem 19 has a capacity of 1000 m3, what is its height?