Question
PSLE
The perimeter of figure PQRST is (9 s + 16) cm. The perimeter of square PQRS is 20 cm.
  1. Find the perimeter of triangle PST in terms of s.
  2. The perimeter of figure PQRST is 97 cm. What is the value of s? Give your answer in cm.
3 m
(a)

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(b)

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PSLE
The perimeter of figure PQRST is (9 s + 16) cm. The perimeter of square PQRS is 20 cm.
  1. Find the perimeter of triangle PST in terms of s.
  2. The perimeter of figure PQRST is 97 cm. What is the value of s? Give your answer in cm.