yes
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A triangle can have one obtuse angle and two acute angles. The sum of all three angles must equal 180 degrees.
No, an equilateral triangle can not be an obtuse triangle. All angles in an equilateral triangle are 60o. An obtuse triangle has 1 angle that is greater than 90o.
An isosceles triangle has two equal angles. All the angles of a triangle add up to 180º There can not be another angle with 90º as that would mean the last angle was 0º, so the other two angles must be 45º each.
5 properies of a triangle is..... 1.) Three demensional figure 2.) Sum of all angles must equal 180 degrees 3.) There is at least 2 acute angles in each triangle 4.) 3 Interior angles 5.) Vertex (another word for vertex is endpoint)
Yes.