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( need help on geometry w/pic ) 17. Find the measure of the size of an equilateral △PQR if PQ = 5x - 7 and PR = 2x + 5. 18. In △ABC, what is the angle opposite AB ?

( need help on geometry w/pic ) 17. Find the measure of the size of an equilateral △PQR if PQ = 5x - 7 and PR = 2x + 5. 18. In △ABC, what is the angle opposite AB ?
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( need help on geometry w/pic )

17. Find the measure of the size of an equilateral △PQR if PQ = 5x - 7 and PR = 2x + 5.

18. In △ABC, what is the angle opposite AB ?

( need help on geometry w/pic ) 17. Find the measure of the size of an equilateral-example-1
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User Joe Zim
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Answer:

In the attached file

Triangle of question 18 isn't visible

( need help on geometry w/pic ) 17. Find the measure of the size of an equilateral-example-1
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User Tim Long
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