arielletara
arielletara
22-01-2018
Mathematics
contestada
What is the value of y?
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BrainyDiksha
BrainyDiksha
23-01-2018
x = 8
y = 40
the two base angles are equal to each other so you would do 5x = 40 and solve for x
a triangle has 180 total degrees. 40*2 = 80
180 - 80 = 100
2y + 20 = 100
2y = 80
y = 40
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