Read this section to learn about area. Work through practice problems 1-9.

Practice 1:

(a) .

(b) .

(c) .

Practice 2:

Practice 3: For and .

Practice 4: Rectangular areas = .

Practice 5:

Practice 6: Interval is . 6 subintervals. mesh = length of longest subinterval = 1.2. .

Practice 7: .

Practice 8: smallest RS = largest RS = .

Practice 9: .