Answer:
1. P = 8cm + 8cm + 8cm + 8cm = 32 cm
2. P = 4cm + 4cm + 4cm = 12 cm
3. P = (2 x 15cm) + (2 x 10cm)
P = (30cm) + (20cm)
P = 50 cm
4. P = 15cm + ( 2 x 10cm ) + 20cm
P = 15cm + 20 cm + 20cm
P = 55 cm
5. P = 2 ( 25 cm+ 20 cm)
P = 2 ( 25 cm) + 2( 20 cm)
P = 50 cm+ 40 cm
P = 90 cm
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Answer:
1. P = 8cm + 8cm + 8cm + 8cm = 32 cm
2. P = 4cm + 4cm + 4cm = 12 cm
3. P = (2 x 15cm) + (2 x 10cm)
P = (30cm) + (20cm)
P = 50 cm
4. P = 15cm + ( 2 x 10cm ) + 20cm
P = 15cm + 20 cm + 20cm
P = 55 cm
5. P = 2 ( 25 cm+ 20 cm)
P = 2 ( 25 cm) + 2( 20 cm)
P = 50 cm+ 40 cm
P = 90 cm