Question
P6.AP.JC.23100216-A3
PSLE
Figure 1 shows a triangular card CDE with CE = ED. A number of such cards were arranged along the four sides of a rectangular board. Figure 2 shows part of the arrangement. A total of 38 pins were placed at an equal distance of 20 cm apart to hold the cards.
  1. Find the length of FG.
  2. Find the total area of the cards used.
4 m
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Primary 6 AREA PERIMETER P6.AP.JC.23100216

01 Jul 2024, 12:32 AM

PSLE
Figure 1 shows a triangular card CDE with CE = ED. A number of such cards were arranged along the four sides of a rectangular board. Figure 2 shows part of the arrangement. A total of 38 pins were placed at an equal distance of 20 cm apart to hold the cards.
  1. Find the length of FG.
  2. Find the total area of the cards used.
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