hannarose40
hannarose40
02-02-2020
Mathematics
contestada
geometry need helpp plz
Respuesta :
graylynrhee
graylynrhee
02-02-2020
the two base angles have to be congruent because of the Base Angle Theorem, so the angles are 6x, 2x, and 2x. you know that the angles of a triangle have to add to 180, so combine like terms to get 10x = 180. divide both sides by 10 to get x = 18.
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