Front

What is a polygon?

Back

A polygon is a closed figure made up of straight line segments. Examples include triangles, rectangles, and pentagons.

Front

What are obtuse angles?

Back

Obtuse angles are angles that measure more than 90 degrees but less than 180 degrees.

Front

What are right angles?

Back

Right angles are angles that measure exactly 90 degrees.

Front

What is a rectangle?

Back

A rectangle is a polygon with four sides and four right angles.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one right angle (90 degrees).

Front

What is a trapezoid?

Back

A trapezoid is a four-sided figure (quadrilateral) with at least one pair of parallel sides.

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) where opposite sides are parallel and equal in length.

Front

How can you identify a rectangle?

Back

A rectangle can be identified by having four right angles and opposite sides that are equal in length.

Front

What is the difference between acute and obtuse angles?

Back

Acute angles measure less than 90 degrees, while obtuse angles measure more than 90 degrees.

Front

What does it mean for lines to be perpendicular?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).