TEKS 4.6D classify two-dimensional figures

Front

What is a polygon?

Back

A polygon is a 2-D shape formed by three or more straight sides.

Front

What defines a rhombus?

Back

A rhombus is a quadrilateral with 2 pairs of parallel sides and 4 sides of equal length.

Front

What is the sum of the interior angles of a quadrilateral?

Back

The sum of the interior angles of a quadrilateral is 360°.

Front

What is a trapezoid?

Back

A trapezoid is a quadrilateral with at least one pair of parallel sides.

Front

How can you classify triangles based on angles?

Back

Triangles can be classified as acute (all angles < 90°), right (one angle = 90°), or obtuse (one angle > 90°).

Front

What is the difference between parallel and perpendicular lines?

Back

Parallel lines never intersect and are always the same distance apart; perpendicular lines intersect at a right angle (90°).

Front

What is a regular polygon?

Back

A regular polygon is a polygon with all sides and angles equal.

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Front

What is an example of a figure with only right angles?

Back

A rectangle is an example of a figure with only right angles.

Front

What is the definition of a parallelogram?

Back

A parallelogram is a quadrilateral with two pairs of parallel sides.