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How many exterior angles can be drawn at one vertex of a triangle?
Two
A triangle must equal 180 degress?
The Sum of the angles of a triangle drawn on a plain surface. is 180 degrees. However, the sum of the angles of a triangle drawn on a curved surface, such as a sphere ( the Earth) can be greater than 180 degrees.
How many exterior angles can be drawn in a triangle?
3 and they add up to 360 degrees
Does an equilateral triangle has angles?
All triangles have 3 internal angles. If drawn on a flat plane (that is redundant, but you could imagine a triangle on a sphere or some other shape) the internal angles will add to 180 degrees. In an equilateral triangle all three internal angles are equal.
Is a triangle still a triangle if it has 2 obtuse angles?
Only if it is drawn in 3-dimension. A triangle drawn in 2-dimension does NOT satisfy the criteria. However, a triangle drawen across the surface of a sphere, such as the Earth, does satisfy the criteria.
What is an incircle?
It is the largest circle that can be drawn so that it is entirely inside a polygon. In the case of a triangle, its centre is the point where the bisectors of the angles of the triangle meet.
Can an acute triangle with angles measuring 60 62 and 58 be drawn?
Yes Total of angles add up to 180, and all angles are below 90 degrees
What shape has three sides and all right angles?
The following shape has three sides and the only angles are right angles. ----- | |___
To what do the internal angles of a triangle add?
In Euclidean geometry, 180. Other answers are possible, depending on the surface on which the triangle is drawn.
Why do the tangents drawn at the ends of a chord of a circle make equal angles with the chord?
Because in effect an isosceles triangle has been constructed and the base angles are always equal.
If two angles in a triangle are congruent to two angles in another triangle then the angles are also congruent.?
If two angles in a triangle are congruent to two angles in another triangle, then the ______________ angles are also congruent.
Does a scalene triangle have congruent angles?
No, An equilateral triangle has 3 congruent angles, an isosceles triangle has 2 congruent angles, a scalene triangle has no congruent angles.
