n-gons
Angles, Lines and Rays
Geometry Terms
More Terms

### 100

What is a quadrilateral with sides that are the same length and has 4 right angles?
a square

### 100

What is a polygon with three equal length sides called?
an equilateral triangle

### 100

What is an angle that measures 90 degrees?
a right angle

### 100

What is the endpoint called where the rays or segments in an angle meet?
the vertex

### 100

What is the vertex in >TGB?
G

### 200

What is the a quadrilateral that has sides that are the same length but does not have right angles?
a rhombus OR a parallelogram

### 200

What is a 5 sided polygon called?
a pentagon

### 200

What is a straight path that has one starting point and goes on forever in one direction?
a ray

### 200

What is the unit of measure for an angle called?
degree

### 200

What are two names for a parallelogram that has all sides the same length, but is not a rectangle?
square, rhombus

### 300

What is a quadrilateral that has four right angles called?
a rectangle OR a square

### 300

What is an 8 sided polygon called?
an octagon

### 300

What is a straight path that goes on forever in both directions?
a line

### 300

What is an angle whose sides form a straight path?
a straight angle

### 300

What is the name of an angle that is less than 90 degrees?
acute

### 400

What is a quadrilateral that has only adjacent sides the same length and does not have right angles.
a kite

### 400

What is a 10 sided polygon called?
a decagon

### 400

What is made up of 2 points and the straight path between them?
a line segment

### 400

What is it called when two line segments, lines or rays cross?
intersect

### 400

What is the name of an angle that is greater than 90 degrees, but less than 180 degrees?
obtuse

### 500

What is a quadrilateral that only has one set of parallel sides?
a trapezoid

### 500

What is a 12 sided polygon called?
a dodecagon

### 500

What is formed by 2 rays or 2 line segments that share an endpoint?
an angle

### 500

What is it called when lines, line segments or rays cross at a 90 degree angle?
perpendicular

### 500

What is the name of an angle that is greater than 180 degrees, but less than 360 degrees?
reflex