Question
PSLE
The perimeter of figure LMNPQ is (7 d + 21) cm. The perimeter of square LMNP is 8 cm.
  1. Find the perimeter of triangle LPQ in terms of d.
  2. The perimeter of figure LMNPQ is 49 cm. What is the value of d? Give your answer in cm.
3 m
(a)

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(b)

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PSLE
The perimeter of figure LMNPQ is (7 d + 21) cm. The perimeter of square LMNP is 8 cm.
  1. Find the perimeter of triangle LPQ in terms of d.
  2. The perimeter of figure LMNPQ is 49 cm. What is the value of d? Give your answer in cm.