3 years ago

I need help please now

Mathematics

1 answer:

Arlecino [84]3 years ago

3 0

Answer:

x=12

Step-by-step explanation:

This is an equilateral triangle. That means all the angles are equal

There are three angles and they add to 180. 180/3 =60. Each angle is equal to 60

4x+12 =60

Subtract 12 from each side

4x+12-12 = 60-12

4x = 48

Divide by 4

4x/4 =48/4

x=12

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