Always,Sometimes,Never

Angles

Quadrilaterals

Triangles

Grab Bag

A parallelogram is _________ a trapezoid

Never

The name of an angle that is less than 90 degrees

What is an acute angle?

I have:
- 4 right angles
- All of my sides are equal
DRAW me and write my NAME.

I am a SQUARE

A triangle with three congruent sides.

What is an equilateral triangle?

Two lines that will never cross (like train tracks).

Parallel lines

The square _______________ has 4 right angles

Always

The name of an angle that is greater than 90 degrees but less than 180 degrees

What is an obtuse angle?

I have:
- 4 right angles
- 2 pairs of congruent sides
DRAW me and write my NAME.

I am a RECTANGLE

A triangle with no equal sides or angles.

What is a scalene triangle?

All of the angles in a triangle add up to...

180 degrees

The 4 sides of a square are ________ congruent

Always

The name of an angle that is exactly 90 degrees.

What is a right angle?

I have:
- 4 congruent sides
- 2 acute angles
- 2 obtuse angles
DRAW me and write my NAME.

I am a RHOMBUS

A triangle with two equal sides and angles.

What is an isosceles triangle?

The names of three types of triangles used to classify triangles by their sides

Equilateral, Isosceles, and Scalene

The 4 sides of a rectangle are ________ congruent

Sometimes

The name of an angle that is exactly 180 degrees.

What is a straight angle?

I have:
- 1 pair of parallel sides
DRAW me and write my NAME.

I am a TRAPEZOID.

I am a triangle with two actue angles and one obtuse angle. What kind of triangle am I?

I am an obtuse triangle.

Lines that cross at a 90 degree angle

Intersecting Lines

A trapezoid is ___________ a quadrilateral

Always

The name of an angle that is greater than 180 degrees.

What is a reflex angle?

I have:
- 2 pairs of parallel sides
- Opposite sides are congruent

I am a PARALLELOGRAM (or a rectangle, or a rhombus, or a square)

Triangle with one 90 degree angle

What is a right triangle?

What are the other names for a square?

Rectangle, Rhombus, Parallelogram, Quadrilateral