In a triangle, the measure of the second angle is three times the measure of the first angle. The third angle is equal to the sum of the other angles.
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Which of the following could represent the measures of the three angles?
O x, 3x, 4x
OX, 2x, 3x
O x 2x, 4x
O x, 3x, 3x
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care to share were the trapezoid shown is ?

where is the picture

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yes

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so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.