Question
PSLE
The perimeter of figure EFGHJ is (6 f + 12) cm. The perimeter of square EFGH is 8 cm.
  1. Find the perimeter of triangle EHJ in terms of f.
  2. The perimeter of figure EFGHJ is 36 cm. What is the value of f? Give your answer in cm.
3 m
(a)

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(b)

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PSLE
The perimeter of figure EFGHJ is (6 f + 12) cm. The perimeter of square EFGH is 8 cm.
  1. Find the perimeter of triangle EHJ in terms of f.
  2. The perimeter of figure EFGHJ is 36 cm. What is the value of f? Give your answer in cm.