State a true conclusion. 1) If two planes intersect, their intersection is a line. 2) Plane R and plane S intersect. Conclusion:
2 answers:
Answer: The answer is "the intersection is a line".
Step-by-step explanation: The concept of lines and planes that we studied in geometry are familiar to us. For example-
(i) The intersection of two lines is a point.
(ii) A plane consists of a line and a point not on the line, etc.
Like these, we have another fact that suppose there are two planes. Then we have two options
(a) They do not intersect with each other.
(b) If they do so, then their intersection is a line.
See the attached figure, there are two planes P and Q, which intersect at the line AB.
Since the given two planes intersect, the using the above fact we can say that their intersection is a line.
Thus, the conclusion is "the intersection of two intersecting planes is a line."
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Answer:
16.3 years
Step-by-step explanation:
1 ha = 10,000 m^2
The total capacity of the landfill is:
If waste is compacted to twice its delivered density, its volume is half of the delivered volume. Assuming that a year has 52 weeks, the volume of compacted solid waste dumped per year is:
The expected life of the landfill is given by its capacity divided by the yearly volume:
The landfill has an expected life of 16.3 years.