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secondary 3 | E Maths
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secondary 3 chevron_right E Maths chevron_right Singapore

pls help because I can’t seem to get (28,8) as final answer

Date Posted: 4 weeks ago
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Eric Nicholas K
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435 answers (Tutor Details)
Each triangle is isosceles and the side of different length from the other two lengths in a triangle is horizontal.

Of course, each of the isosceles triangles is symmetrical to a vertical line, so it follows that the x-difference of P and Q must be the same as the x-difference of Q and S, if you have correctly identified a vertical line passing through Q as the symmetry line of triangle PQS.

A similar argument applies for the other triangle.