2(5x + 3) - 2(2x - 3)
2 answers:
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The angle between the legs of length 16 and 18 has measure 90 + 55 = 145 degrees.
Now use the law of cosines: it says satisfies
and solving for gives
so the answer is C.
The angle between the legs of length 16 and 18 has measure 90 + 55 = 145 degrees.
Now use the law of cosines: it says satisfies
and solving for gives
so the answer is C.