Pancakes's answer to Nancy low's Primary 6 Maths Measurement Singapore question.

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Pancakes
Pancakes's answer
58 answers (A Helpful Person)
1st
Let each side of bigger triangle be 1u.
Let each side of smaller triangle be 1p.
4u + 4p = 108
1u + 1p = 108/4 = 26
PQ is made up of 1u + 1p.
So PQ = 26