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Umm can someone help me with this

Umm can someone help me with this-example-1
User Raymi
by
3.5k points

1 Answer

4 votes

Answer: a)12

Explanation:

the triangle is equilateral meaning that all sides have the same length so,

3x+8 = 4x-4
3x-4x=-4-8
-x=-12
x=12

User Vikranth
by
3.9k points