If a triangle measures 180 degrees one side is 29 the other side is 20 and the last side is B what is the measure for B
1 answer:
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in case you wonder why we used 105 as LCD,
21 = 3 * 7
15 = 3 * 5
the "3" is common to both denominators, so we "use it once" and our LCD is then 3 * 7 * 5.