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Fifty pence (British coin) - Wikipedia


The British decimal fifty pence (50p) coin – often pronounced fifty pee – is a unit of currency equaling one half of a pound sterling. It is a seven-sided coin formed as an equilateral c...

Seven sides of a 50p coin | The Royal Mint


Since the introduction of the 50p coin in 1969 it has become one of the most ... It was the world's first seven-sided coin, in the shape of an equilateral curve heptagon. ... to be the best for distinguishing the coin from the rest of the UK coinage.

Which British coin is a heptagon - Answers.com


The British 20 Pence and 50 Pence coins are both heptagons.

An Alphabet of Heptagons: Seven-sided Coins - World of Coins


The first heptagonal coin was created by the Royal Mint (UK). It was a British 50 pence coin, first issued in 1969. In this topic, I will give priority ...

Heptagon - math word definition - Math Open Reference


Heptagons are not seen much in everyday life except in the UK, where there are coins in the shape of a heptagon. On the right is the 50 pence coin. It is not a ...

How round is your money? - Maths Careers


50p coin. The British 50p coin, like the 20p coin, has a rather unusual shape. It is an equilaterally curved heptagon. That is, it has seven equal sides, all of which ...

Monthly Maths Maths - MEI


coin will save taxpayers money by cutting down on millions of ... machines in the UK to accept the new coin could be ... coins are regular curvilinear heptagons,.

Fifty Pence Coins - A Brief History of the 50 Pence ... - 24Carat.co.uk


Reverse of 1998 Britain's 25th Anniversary of EU Membership Fifty Pence ... The last coins of the old £sd system to be issued for circulation were dated 1967, and the first decimal coins were ... It was the world's first equilateral curve heptagon.

Grand Illusions - Articles - Solids of Constant Width


Most UK coins are circular, but two coins are seven-sided, the 50 pence coin ( shown ... In fact the coin is an equilaterally curved heptagon, or Reuleaux polygon ...

BBC ON THIS DAY | 14 | 1969: New 50-pence coin sparks confusion


It is the third decimal coin to be introduced into the British currency which goes totally ... Today's new arrival, made of cupro-nickel, is the only heptagonal coin in  ...

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What shape is a 20 pence piece? | matheminutes


Dec 28, 2011 ... All but two UK coins are circular. The 20p and 50p pieces are ... This would indicate that it might be a regular heptagon. However, these edges ...

2D Polygon Shapes - Facts about Pentagons, Hexagons, Octagons ...


Enjoy learning about 2D polygon shapes with our range of interesting facts. ... The British 50 and 20 pence coins are curved heptagons. An octagon is an 8 ...

equilateral curve heptagon - British Museum


Students will construct a reuleaux heptagon and then analyse the shape ... search for a solution using reasoned argument. Equipment required. •. 50p coins.