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Geometry

Informal Statements

QuestionAnswer
Informal Statement 1 The sum of the three angles of a triangle is equal to one straight angle.
Informal Statement 2 Two straight lines can intersect at only one point.
Informal Statement 3 A line can be divided into two equal parts by only one point.
Informal Statement 4 A given angle can be divided into two equal parts by only one line.
Informal Statement 5 All straight angles are equal.
Informal Statement 6 All right angles are equal.
Informal Statement 7 Only one perpendicular can be drawn to a line at a point in the line.
Informal Statement 8 Complements of equal angles or of the same angle are equal.
Informal Statement 9 Supplements of equal angles or of the same angle are equal.
Informal Statement 10 The sum of all the angles about a point on one side of a straight line through the point is a straight angle.
Informal Statement 11 The sum of all the angles about a point is equal to 360 degrees.
Informal Statement 12 If the sum of two adjacent angles equals a straight angle, their exterior sides form one straight line.
Informal Statement 13 When two straight lines intersect, the vertical angles formed are equal.
Informal Statement 14 The sum of two sides of a triangle is greater than the third side.
Created by: bekaboo121390