Answer: Not correct. The tic marks on the angles mean that this is an equilateral triangle
All the line segments are equal. If a length is given for one side of the triangle, the others are the same
All the angles are equal. The total of all the angles is 180. to find any one of them divide 180 ÷ 3
Step-by-step explanation: This looks like a test item, so we are not supposed post answers.
So I hope this is enough to help you make the corrections yourself.