Identifying 2D Shapes Flashcard

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length and all three angles measuring 60 degrees.

Front

What is a parallelogram?

Back

A four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Front

How many angles does an acute triangle have?

Back

An acute triangle has three acute angles, each measuring less than 90 degrees.

Front

What is the minimum number of sides a polygon must have?

Back

A polygon must have at least three sides.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths and all angles of different measures.

Front

What defines a right triangle?

Back

A triangle that has one angle measuring exactly 90 degrees.

Front

What is a trapezoid?

Back

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

Front

What is a rhombus?

Back

A four-sided figure (quadrilateral) with all sides of equal length and opposite angles that are equal.

Front

What is the difference between a rectangle and a square?

Back

A rectangle has opposite sides that are equal, while a square has all four sides equal.

Front

What is a pentagon?

Back

A five-sided polygon.