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Author Question: How to work out the area of a sector when i don't have the radius? (Read 1627 times) |
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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There are 20 feet of blood vessels in each square inch of human skin.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).