The measure of an exterior angle of a triangle is more than the measure of the intersection of two straight lines.
A triangle must have straight lines.
If you mean what type of triangle has perpendicular lines then it is right angle triangle.
straight angle
A right angle triangle is a triangle with an angle 90 degrees. An isosceles triangle is a triangle with two or more equal angles/ length of lines. An equilateral triangle can also be an isosceles triangle.
No, an angle is not a polygon - lie a triangle - which is a closed plane shape bounded by straight lines.
Straight lines.
The measure of an exterior angle of a triangle is more than the measure of the intersection of two straight lines.
The Right Triangle. Perpendicular lines make a right angle.
No parallel lines but a right angle triangle has perpendicular lines.
A triangle must have straight lines.
Any area with just two straight edges can only be equivalent to an angle - no matter how small or large that angle is. A third edge is needed to create a closed space. Compare the difference between an angle, with two straight lines, and an enclosed triangle, with three straight lines.
If you mean what type of triangle has perpendicular lines then it is right angle triangle.
is a right angle that intersects and 3 lines of symmetry
It has a pair of perpendicular lines that meet at right angles to form the 90 degree angle of a right angle triangle.
If the shape has three straight lines and no other lines then it has to be a triangle
No. A triangle is a closed shape made of three straight lines, joined at their endpoints forming three vertices and three angles (hence tri-angle).