Question
PSLE
The figure is made up of two rectangles, DELJ and JKGH, and two right-angled isosceles triangles, EFL and GFK. ED = 11 cm, GH = 7 cm and EL = m cm. DJH and FLKJ are straight lines.
  1. Find the length of DH in terms of m. Give your answer in the simplest form.
  2. Find the total area of the figure when m = 17.
3 m
(a)

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PSLE
The figure is made up of two rectangles, DELJ and JKGH, and two right-angled isosceles triangles, EFL and GFK. ED = 11 cm, GH = 7 cm and EL = m cm. DJH and FLKJ are straight lines.
  1. Find the length of DH in terms of m. Give your answer in the simplest form.
  2. Find the total area of the figure when m = 17.