Question
P4.AP.NK.23050843-A1
The area of a rectangular sheet of paper BCDE is 195 cm2. It is then folded at a corner as shown below in Figure 2. Given that BE = 13 cm and BF = 5 cm.
  1. Find the length of DE.
  2. Find the perimeter of the unshaded part BFCDE.
3 m
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Primary 4 AREA PERIMETER P4.AP.NK.23050843

29 Jun 2024, 08:23 PM

The area of a rectangular sheet of paper BCDE is 195 cm2. It is then folded at a corner as shown below in Figure 2. Given that BE = 13 cm and BF = 5 cm.
  1. Find the length of DE.
  2. Find the perimeter of the unshaded part BFCDE.
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