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Mathematics, 20.09.2019 05:30 163565

The measures of two base angles of an isosceles trapezoid are 7x – 12 and 5x + 6. what is the measure of x?
select one:
a. 3
b. 5
c. 7
d. 9

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The measures of two base angles of an isosceles trapezoid are 7x – 12 and 5x + 6. what is the measur...
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