Or to put it another way, it would reach to 9.8m above ground level if exactly covering Wimbledon Centre Court.
That bigger figure would make a cube of sides 50m (166ft) long, or a column of gold towering 143m above Wimbledon centre court.
These days, it's an accepted part of sports ritual everywhere from Little League baseball diamonds to Wimbledon's Centre Court.
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Murray said he had expected a tough match from Federer, who just four weeks ago beat Murray for his seventh Wimbledon title on Centre Court, also the site of the Olympic final.
The catamaran, which is the size of the centre court at Wimbledon, was unveiled by the Queen in March but suffered a series of accidents during sea trials.
Another Brit, exciting prospect Arvind Parmar - who lost to Rusedksi at Wimbledon last year - kicks off the action on centre court against Australian former champion Scott Draper at 1300 BST followed by Rusedski's match.
The young Briton had taken former world number five Daniela Hantuchova to three sets on her senior Wimbledon debut 12 months ago, but stepping on to Centre Court for the first was a different experience entirely.
Wimbledon's closed roof made for a fascinating atmosphere on Centre Court later in the day, but Federer was already showered and changed and thinking of a third round meeting with France's Julien Benneteau -- who beat American Michael Russell -- as he bids to equal Pete Sampras' record of seven Wimbledon titles.
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Federer cantered through the fifth set in 27 minutes, but both players earned deserved standing ovations from a Centre Court crowd as shocked as they were delighted by such a dramatic opening match of Wimbledon 2010.
The match was the longest Wimbledon men's singles final ever at four hours, 48 minutes, and the winning shot was struck with Centre Court in near darkness at 2115 BST.
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