Question
PSLE
The perimeter of figure NPQRS is (9 e + 21) cm. The perimeter of square NPQR is 8 cm.
  1. Find the perimeter of triangle NRS in terms of e.
  2. The perimeter of figure NPQRS is 93 cm. What is the value of e? Give your answer in cm.
3 m
(a)

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(b)

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PSLE
The perimeter of figure NPQRS is (9 e + 21) cm. The perimeter of square NPQR is 8 cm.
  1. Find the perimeter of triangle NRS in terms of e.
  2. The perimeter of figure NPQRS is 93 cm. What is the value of e? Give your answer in cm.