Points Lines & Angles Flashcards
7 cards from real Geometry practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Points Lines & Angles flashcards as text
An angle measures 15°. Which type is it?
Answer: Acute
An angle less than 90° is acute.
If two angles are adjacent, they must share a common vertex and what else?
Answer: A common side
Adjacent angles share a common vertex and a common side but no interior points.
The measure of the angle whose complement is 22° is what?
Answer: 68°
Its complement is 22°, so the angle is 90 − 22 = 68°.
Lines that do not lie in the same plane and never intersect are called what?
Answer: Skew lines
Skew lines are non-coplanar and never meet.
A flat, two-dimensional surface that extends infinitely in all directions is a what?
Answer: Plane
A plane is a flat surface with no thickness extending infinitely.
The reflex angle corresponding to a 70° angle measures what?
Answer: 290°
A full turn is 360°, so the reflex angle is 360 − 70 = 290°.
Three lines that all pass through a single common point are described as what?
Answer: Concurrent
Lines that intersect at one common point are concurrent.