It is a figure formed by two non-collinear rays with common endpoint.

What is the length of segment BD if BC = 12.1 cm and CD = 12.4 cm?                                  

What is the complement of 56°?

If two angles are complementary, then both are ___________.

Vertical Angles are congruent. This statement is _________.

Which of the following lines do not intersect?

What is the pair of non-adjacent interior and exterior angles on the same side of the transversal called?

If  angle 1 and 2 are vertical angles, which of the following is true about their measurements?

If the diameter of a circle measures 20 cm, what is the measure of its radius?

Which best describes the stars in the sky?

How many angles are there in 50-gon?

The hands of clock at 9:00 form what angle?

Which of the following are non-coplanar lines that DO NOT intersect?

What is the measure of an angle if the measure of its supplement is 69°?

If two angles are adjacent and supplementary, then they form a _______________.

Which of the following tools is the first one to be used in constructing perpendicular bisector?

If a radius is perpendicular to a chord, then it bisects the chord. This statement is TRUE.

What is the minimum number points to form a line?

A polygon with nine line segments is called

If the measures of the angles of a triangle are in ratio of 1:2:3, what kind of triangle it is?

Which of the following set of angles are supplementary?

What set of points DO NOT lie on the same plane?

Angle  A and  B are congruent angles. If Angle  A = 3x + 2 and  B = 4x – 15, what is the value of x?