Answer:
x=48
Explanation:
Total sum of angles in a triangle =180
47+85+x=180
132+x=180
x=180-132
Answer: x=48°
The 3 angles of the triangle add up to 180°. We can set the angles to 180 and solve.
47+85+x=180 [combine like terms]
132+x=180 [subtract both sides by 132]
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