Multiple choice general knowledge science & technology

which of the following statement is/are true about a triangle?

  1. the sum of internal angle of a triangle is 180 degrees.

  2. the sum of any two side of a triangle is always greater than third side.

  3. The sum of the measures of the three exterior angles of any triangle is 360 degrees.

  4. The measure of an exterior angle of a triangle is equal to the sum of the measures of the two interior angles that are not adjacent to it.
Reveal answer Fill a bubble to check yourself
A,B,C,D Correct answer
Explanation

All four statements are true. A: Triangle interior angles sum to 180° (fundamental property). B: Triangle inequality theorem - any two sides sum exceeds the third. C: Exterior angles (one per vertex) sum to 360°. D: Exterior angle theorem - exterior angle equals sum of remote interior angles.

Keep practicing — related questions