Unit 6 Geometry

Front

Rectangle

Back

Closed figure

4 sides/Quadrilateral

4 right angles

2 pairs of parallel and congruent sides

Opposite sides are congruent

Front

Trapezoid

Back

Closed figure

4 sides/Quadrilateral

1 pair of parallel sides

2 obtuse, 2 acute, 2 possible right angles

1 pair of possible congruent sides

Front

Parallelogram

Back

Closed figure

4 sides/Quadrilateral

2 obtuse, 2 acute angles

2 pairs of parallel and congruent sides

Front

Rhombus

Back

Closed figure

4 congruent sides Quadrilateral

2 obtuse, 2 acute angles

2 pairs of parallel sides

Front

Square

Back

Closed figure

4 congruent sides

Quadrilateral

4 right angles

2 pairs of parallel sides

2 lines of symmetry

Front

Quadrilaterals

Back

All quadrilaterals have 4 sides and 4 angles.

Front

Obtuse Angle

Back

An angle greater than 90 degrees, but less than 180.

Front

Acute Angle

Back

An angle less than 90 degrees, but greater than 0.

Front

Right Angle

Back

An angle that measures exactly 90 degrees.

Front

Polygon

Back

A closed, two-dimensional shape with 3 or more sides and angles.