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Sagot :
Answer:
x = 8
Step-by-step explanation:
As the triangle has 2 congruent angles, this means that their corresponding sides are of equal measure.
Therefore, -4 + 2x = 12
Add 4 to each side: 2x = 16
Divide both sides by 2: x = 8
X=8
The two labelled sides are congruent (equal).
-4 + 2x8= 12
The two labelled sides are congruent (equal).
-4 + 2x8= 12
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