Question
P6.AN.NK.17052214-A1
The figures are not drawn to scale. Figure 1 shows a rectangular piece of paper CEFH that measures 21 cm by 13 cm. CD = GF = 5 cm. The paper is folded along the dotted line DG such that point E touches point H, as shown in Figure 2.
  1. Find the area of Figure 2. CDGFH, after the folding. 
  2. In Figure 2, ∠CDH is 72°. Find ∠DGF in Figure 2.
4 m
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Primary 6 ANGLES P6.AN.NK.17052214

22 May 2024, 10:31 PM

The figures are not drawn to scale. Figure 1 shows a rectangular piece of paper CEFH that measures 21 cm by 13 cm. CD = GF = 5 cm. The paper is folded along the dotted line DG such that point E touches point H, as shown in Figure 2.
  1. Find the area of Figure 2. CDGFH, after the folding. 
  2. In Figure 2, ∠CDH is 72°. Find ∠DGF in Figure 2.
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