Mr.James bought 3 boxes of pencils for 34.89. Each box of pencils cost the same which equation can be used to find the cost ,c o
f each box
1 answer:
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A² = b² + c² - 2bc cosA
a² = 10² + 14² - 2*10*14 cos54
a² = 100 + 196 - 280 * cos54
a =
a = 11.46
a² = 10² + 14² - 2*10*14 cos54
a² = 100 + 196 - 280 * cos54
a =
a = 11.46