Question
PSLE
The figure is made up of two rectangles, CDKH and HJFG, and two right-angled isosceles triangles, DEK and FEJ. DC = 11 cm, FG = 7 cm and DK = l cm. CHG and EKJH are straight lines.
  1. Find the length of CG in terms of l. Give your answer in the simplest form.
  2. Find the total area of the figure when l = 15.
3 m
(a)

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PSLE
The figure is made up of two rectangles, CDKH and HJFG, and two right-angled isosceles triangles, DEK and FEJ. DC = 11 cm, FG = 7 cm and DK = l cm. CHG and EKJH are straight lines.
  1. Find the length of CG in terms of l. Give your answer in the simplest form.
  2. Find the total area of the figure when l = 15.