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Khlafan family has offered arua public sec sch a piece of land which is rectangular to form to build staff quarters to limit teacher absentees an late coming to SCH to reduce poor performance of learners in the school. They have given a land that has a perimeter of 30cm and an area of 50cm².
a) help the headteacher to find the dimensions of the land offered.
b) the sch planned to construct a house of length 4m longer than the width and the area covered by house is 12m². Determine the dimensions of the house.

Sagot :