angle vocab

Question 1

Parallel

Answer 1

Lines that will never cross and are the same distance apart and may go on forever ( will not cross if on and on).

Question 2

Arc

Answer 2

Part of a circle that represents an angle between two intersecting lines.

Question 3

Angles

Answer 3

When lines intersect they form angles and angles are the spaces or shapes that are formed between the intersecting lines- They meet at a vertex < = angle sign.

Question 4

Perpendicular

Answer 4

Lines that form square corners, when they intersect they form right angles.

Question 5

Right angles

Answer 5

Lines that form it are perpendicular and the angle measures 90 degrees.

Question 6

Intersection

Answer 6

When lines cross they cross at a point called an intersection.

Question 7

Acute angles

Answer 7

Angles that are less than a right angle or less than 90 degrees.

Question 8

Obtuse Angles

Answer 8

Angles greater than a right angle; more than 90 degrees.

Question 9

Straight angle

Answer 9

Straight line two rays pointing in opposite directions.

Question 10

Complementary angles

Answer 10

Two angles that form a right angle are complementary angles.

Question 11

Supplementary Angles

Answer 11

Two angles combine to form a straight angle. (180 degrees).

Question 12

Vertex

Answer 12

The point where two rays meet.

Question 13

Congruent

Answer 13

Having the same measure.

Question 14

Degrees

Answer 14

A measurement used to measure angles (small amount).

Question 15

Protractor

Answer 15

A tool that measures angles.