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The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

Darragh has a golden eagle coin in his collection with a mass of 13.551\,\text{g}13.551g. an uncirculated golden eagle coin has a mass of 13.714\,\text{g}13.714g.