In several geometries, a triangle has three vertices and three sides, where three angles of a triangle are formed at each vertex by a pair of adjacent sides. In a Euclidean space, the sum of measures of these three angles of any triangle is invariably equal to the straight angle, also expressed as 180°, π radians, two right angles, or a half-turn.

What's the best answer to this question: do all angles on a triangle add up to 180?

OPTIONS:
- no
- yes
yes
I flera geometrier har en triangel tre hörn och tre sidor, där tre vinklar av en triangel bildas vid varje vertex av ett par angränsande sidor. I ett euklideanskt rum är summan av måtten på dessa tre vinklar i en triangel undantagslöst lika med den raka vinkeln, även uttryckt som 180°, π radianer, två räta vinklar, eller ett halvt varv. Vilket är det bästa svaret på denna fråga: ger alla vinklar på en triangel upp till 180? ALTERNATIV: - nej - ja
In several geometries, a triangle has three vertices and three sides, where three angles of a triangle are formed at each vertex of a pair of adjacent sides. In a Euclidean room, the sum of the measures of these three angles in a triangle is invariably equal to the straight angle, even expressed as 180°, π radians, two right angles, or a half-rev. What is the best answer to this question: do all angles of a triangle up to 180? ALTERNATIVE: - no - yes
ja
yes