How to find an angle of a line

Practice Questions

Basic Geometry › How to find an angle of a line

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Parellel

Examine the diagram. Which of these conditions does not prove that $m \parallel n$ ?

Varsity_question

AB and CD are two parrellel lines intersected by line EF. If the measure of angle 1 is , what is the measure of angle 2?

Lines A and B are parallel. Find the measurement of $\angle1$ .

If lines A and B are parallel, what is the measurement of $\angle2$ ?

Mark is training for cross country and comes across a new hill to run on. After Mark runs meters, he's at a height of meters. What is the hill's angle of depression when he's at an altitude of meters?

If lines A and B are parallel, what is the measurement of angle 5?

If lines A and B are parallel, what is the measurement of $\angle6$ ?

A student creates a challenge for his friend. He first draws a square, the adds the line for each of the 2 diagonals. Finally, he asks his friend to draw the circle that has the most intersections possible.

How many intersections will this circle have?

Angle $\angle ABC$ measures $20^{\circ}$

$\overrightarrow{BD}$ is the bisector of $\angle ABC$

$\overrightarrow{BE}$ is the bisector of $\angle CBD$

What is the measure of $\angle ABE$ ?

$\dpi{100} \small \overline{AB}$ is a straight line. $\dpi{100} \small \overline{CD}$ intersects $\dpi{100} \small \overline{AB}$ at point $\dpi{100} \small E$ . If $\dpi{100} \small \angle AEC$ measures 120 degrees, what must be the measure of $\dpi{100} \small \angle BEC$ ?

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