1 Answer

OurangZeb Khan · Answer 1 · 2022-08-03T17:12:43+0000

Answer:

A, B, C

Explanation:

Since the sum of the angles in a triangle is
$180^(\circ)$ , you can set the equation
9x-7+7x-9+28-2x . Simplifying gets
14x=168 . Dividing gets you
x = 12 . This is only x so you have to substitute 12 for x in the angles in the beginning to get
$\angle{A}=101^(\circ)$ ,
$\\\angle{B}=75^(\circ)$ ,
$\\\angle{C}=4^(\circ)$

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