Points A, B, and C are on line AC.

Two lines are intersected by a third line.





Triangle ABC is a right triangle.

Given:1 is complementary to 2. 2 is complementary to 3.Prove:m1 = m3





Right angle FCD intersects and at point C. FCE is congruent to ECD. ECD is complementary to DCB.

Which statements are true about the angles in the diagram? Select three options.
Angles 1 and 2 form a right angle.

Angle B measures 60°. What is the measure of the angle that is complementary to angle B?
In the figure, RQS QLK.

Did you find these answers helpful?