The angles of a triangle all add up to 180. Each angle of an equilateral triangle has to be the same. So, the angles of the equilateral triangle is 60 degrees.
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To learn more about why his pumice sample was shrinking, Ben Kennedy studied . This material is similar to pumice because both are full of air . Kennedy found that the shrinking had to do with molten rock's surface , which is the force that holds a droplet of water together.
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Red coats - since their uniform was red and they had long coats. hence the name Red + Coats