The grid below shows a pattern of triangles. The first three are shown. The coordinates of the
Question:
The grid below shows a pattern of triangles. The first three are shown.
The coordinates of the top vertex of each triangle are given and form a sequence.
a. What are the coordinates of the top vertex of the 20th triangle? Justify your answer.
b. A triangle in the sequence has a top vertex with coordinates of (56, y).
(i) Which triangle has these coordinates? Justify your answer.
(ii) Calculate the value of y.
c. A triangle in the sequence has a top vertex with coordinates of (x, 360).
Calculate the value of x. Justify your answer.
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Related Book For
Cambridge Checkpoint Lower Secondary Mathematics Student's Book 7
ISBN: 9781398301948
3rd Edition
Authors: Frankie Pimentel, Ric Pimentel, Terry Wall
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