Geometry help

1. A local farm owner has just acquired another smaller farm with three silos for cattle feed. The shapes of the silos are right circular cylinders. Suppose one silo is 40 ft tall with a twelve foot diameter; another silo is 50ft tall with a 14ft diameter; and the third silo is 60ft tall with an 18ft diameter.

a. What is the combined capacity in cubic feet of al three silos?

b. If 1 quart of paint covers 100 sq feet, how many quarts of paint will the farmer need to paint the three silos and restore an appearance of newness?

2. A water canal has a rectangular cross section 4 meters wide and 3 meters deep. How much water is contained in a 20 meter length of the canal? How much water will be held after 40% has evaporated?

( 280 yards yards )

3. Find the area of the shaded region. Substitute 3.14 in for ∏ and round your answer to the nearest hundredth.

4. Can a spherical thank with a 50ft diameter hold enough water to fill a swimming pool that has a 50m length, a 25m width, and a constant 2m depth? Explain your answer and provide work and calculations to support your response.

5. Suppose you situate a small mirror between yourself and the wall so that when you look into the mirror you see the top of the wall. If you’re 4ft from the mirror; the mirror is 15ft from the wall, and your eyes are 6ft from the floor, determine the height of the wall.

( H )

( 15 ft ) ( 4 ft ) ( F ) ( M ) ( B )