How do you do this and what's the answer?

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asked Aug 10, 2019 189k views

1 Answer

Heroxav · Answer 1 · 2019-08-14T14:18:44+0000

The triangle is isosceles, so the base angles are both x°. The angles add to 180° as with any triangle.
.. x° +x° +30° = 180°
.. 2x = 150
.. x = 75 . . . . . . . . . . . . . corresponds to selection D

How do you do this and what's the answer?

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