Find the measure or angle Y

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asked May 28, 2018 163k views

2 Answers

Eugenekr · Answer 1 · 2018-06-01T20:39:12+0000

Since it's an isosceles triangle, their base angles must be equal.
5x + 6 = 8x - 15
21 = 3x
x = 7

Now substitute those values in and subtract them from 180 to find Y.
5(7) + 6 = 8(7) - 25
35 + 6 = 56 -25
41 = 41

180-41-41 = 98

Y= 98 degrees

Find the measure or angle Y

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