# Geometry

## Acute Angles

What is an acute angle? An acute angle is less than 90 degrees.

## Right Angles

A right angle is an angle that is 90 degrees.

## Obtuse

What is an obtuse angle?

An obtuse angle is an angle from 91 to 179 degrese.

## Straight Angles

A straight angle is 180 degrees.

Now that you have Learned angles you can play this game. http://www.mathplayground.com/alienangles.html

A Quadrilateral means a shape with four sides.

## Square

A square is four sided shape and all the sides are equal. Also squares have right angles in every corner

## Rectangle

A rectangle is a parallelogram shape with four right angles.

## Rhombus

A rhombus is a shape with four equal straight sides.

## Trapezoid

A trapezoid is a four sided shape with straight sides that has a pair of opposite side parallel.

## Parallelogram

A parallelogram is a shape with opposite sides parallel and equal in length.

## You are done!!!

Here are some more games you can play to practice.

With help from-