How do you find the x for this ?

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asked Mar 4, 2023 222k views

2 Answers

Mikael Jagan · Answer 1 · 2023-03-09T16:45:11+0000

Answer: 10

So since all sides are congruent, all the angles should be equal as well. This means that if you divide 180 by 3 (number of angles) you should get 60. You then set the equation equal to 60 and solve:
2x^2-140=60
2x^2=200
x^2=100
x=10

How do you find the x for this ?

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