III. Solve for the following. Write the letter of the correct answer.

A. 0.1m
B. 10 l/s
C. 90m²
D. 320m²
E. 1962.5m²

31. Surface area of a triangular field whose base is 12m and height of 15m(90m²)

32. Surface area of a rectangular field whose length is 20m and width of 16m

33. Surface area of a circular field with 50m diameter

34. Supposed there is a tank, containing 1000m³. All the water was spread over a 1-hectare field. Calculate the water depth (d) or thickness of water.
Remember, 1 hectare is equal to 10 000m².

35. The water supplied by a pump fills a drum of 300 liters in 30 seconds. What is the flow rate of this
pump?
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