Adaptive Practice
Lines and Angles
8 questions • Earn up to 79 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?
Easy
If two lines intersect and one angle is 70°, what is the measure of the vertically opposite angle?
Medium
Two parallel lines are cut by a transversal. Which pair of angles are equal?
Easy
If one angle of a triangle is 90° and another is 45°, what is the third angle?
Easy
If two lines are perpendicular, what is the measure of the angle between them?
Medium
In a quadrilateral, the sum of all interior angles is:
Medium
If two angles are complementary and one angle is 35°, what is the other angle?
Hard
In triangle ABC, angle A is twice angle B, and angle C is 30° more than angle B. What is the measure of angle B?