Acute angle-An angle that is less than 90 degrees.

straight angle- Is an angle that is 180 degrees.

right angle- an angle that is 90 degrees.

obtuse angle- Is an angle more than 90 degrees.

quadrilateral- Any 4 sided shape with straight lines.

square- is a quadrilateral that has oppisite sides and angles parellel.

rectangle- Is a shape with 4 sides that are not equal with two pair of parallel sides.

rhombus- Is a shape with 4 sides and angles that opposites are parallel.

trapezoid- a shape with 4 sides and angles that has a pair of equal sides and a pair of unequal parallel sides.

Parallelogram- A shape with two pairs of parallel sides.

We used google math is fun for our information.

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