Sheet #12

1. 01

   ReferenceDouble bed2 m

   To size upA4 sheet29.7 cm

   Measured Height of an A4 sheet (ISO 216)

   Fold an A4 in half and you get A5: the side ratio stays √2.

2. 02

   ReferenceOstrich2.4 m

   To size upRed fox1.05 m

   Measured Length of a red fox, tail included

   Its bushy tail doubles as a blanket when it sleeps.

3. 03

   ReferenceTriceratops8.5 m

   To size upSofa2.1 m

   Measured Width of a three-seater sofa (ballpark)

   "Canapé" comes from the Greek kōnōpeion, a bed screened against mosquitoes.

4. 04

   ReferenceAfrican elephant3.2 m

   To size upStonehenge trilithon7.3 m

   Measured Height of the tallest Stonehenge trilithon

   The bluestones were brought from Wales, 250 km away.

5. 05

   ReferenceComputer keyboard44 cm

   To size upReticulated python6 m

   Measured Length of an adult reticulated python

   It is the longest snake in the world.

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