29 September 2026
Sheet #29
The five rounds of 29 September 2026, with the real sizes and what each measurement covers.
- 01
Measured Diameter of an open umbrella
The umbrella was first used against the sun, not the rain.
- 02
ReferenceRed kangaroo1.6 m
To size upNewborn50 cm
Measured Average length of a full-term newborn
Its head is about a quarter of its total length.
- 03
ReferenceEmpire State Building381 m
To size upGreat Pyramid of Giza139 m
Measured Current height of the Great Pyramid of Giza
Originally 146.6 m, it remained the tallest structure in the world for 3,800 years.
- 04
ReferenceElizabeth Tower96 m
To size upTyrannosaurus12.3 m
Measured Length of the T. rex specimen "Sue"
It lived at the end of the Cretaceous, about 68 to 66 million years ago.
- 05
ReferenceGolden eagle2.05 m
To size upStonehenge trilithon7.3 m
Measured Height of the tallest Stonehenge trilithon
The bluestones were brought from Wales, 250 km away.