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One angle of an equilateral triangle measures (4x-20)°. What is the value of x?
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One angle of an equilateral triangle measures (4x-20)°. What is the value of x?

User Theisenp
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2 Answers

4 votes
An equilateral triangle has degrees of 60-60-60
solving the equation, you will find 4x=80 and x=20
User Jakedunc
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7.6k points
2 votes
All triangles have a total degree number of 180. Each angle of an equilateral triangle is 60.
This is the work you do:
4x-20=60
4x=80
x=20
User James Hiew
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8.0k points
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