Adaptive Practice
Lines and Angles
8 questions • Earn up to 73 XP • First attempt — go for 100%!
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Question 1 of 8
⏱ 0:30
Easy
What is the sum of the angles on a straight line?
Medium
If two lines intersect, what is the sum of the vertically opposite angles?
Easy
In a triangle, if one angle is 90°, what type of triangle is it?
Medium
Two parallel lines are cut by a transversal. Which pair of angles are always equal?
Easy
If the sum of two adjacent angles is 180°, what type of angles are they?
Easy
In the figure, two lines intersect and form four angles. If one angle is 70°, what is the measure of the angle vertically opposite to it?
Easy
If two lines are perpendicular, what is the measure of the angles formed at their intersection?
Medium
In a triangle, the measures of two angles are 35° and 65°. What is the measure of the third angle?