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maurynkennedy13

If I remember correctly, since it says the two sides are the same that also means to two unknown angles are the same.
180-40=140 140/2=70 

70=2x
x=35

70=y-12
y=82


wolf1728

That is an isosceles triangle so the base angles are equal.
The base angles = (180 -40) / 2
EACH base angle = 70 degrees

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