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(Solved): Question 3 The diagram shows a plan of two adjoining rooms. You are given some of the lengths, areas ...
Question 3 The diagram shows a plan of two adjoining rooms. You are given some of the lengths, areas
xand
y. The value of
xis the 13 th term of the numerical sequence
6,9,12,dotsand the value of
yis the sum of five consecutive numbers such that
n^(th )6,9,12,dotsxy46.
3.1 Showing all your work and explaining your thinking and reasoning, find the
3.1.1 n^(th ) term of the sequence 6,9,12,dots
3.1.2 value of x
3.1 .3 value of y.
3.2 Three learners, Sifiso, Zola, and Q, computed the perimeter of the combined shape and found it to be 38,41 , and 44 , respectively.
3.2.1 Explain how Sifiso, Zola and Q computed the values 38,41 , and 44 . Show all your work.
3.2.2 Using logic and sense-making, determine the perimeter of the combined shape. Justify your choice.