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OpenStudy (anonymous):
HELP PLEASE :( Find the valuable of the variable.
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OpenStudy (anonymous):
OpenStudy (anonymous):
A. -30 b. 30 C. 4 D. none of the above
OpenStudy (nikato):
b. 30
OpenStudy (nikato):
Because you know SR=ST and by isosceles theorem, or the converse of that, angle R is equal to angle STR. And because its a line, u can say (3x-60) +5x =180 and then solve for x
OpenStudy (anonymous):
we can do it like that STU=5X SO STR=180-5X AS SR=ST THEN 3X-60=180-5X 8X=240 X=30
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