Classifying Triangles and Quadrilaterals

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle in which all three sides are of different lengths and all three angles are of different measures.

Front

What is the definition of a parallelogram?

Back

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

Front

Can a trapezoid be classified as a parallelogram?

Back

No, a trapezoid has only one pair of parallel sides, while a parallelogram has two pairs of parallel sides.

Front

What are the characteristics of a right isosceles triangle?

Back

A right isosceles triangle has one right angle (90 degrees) and two sides of equal length.

Front

What is a trapezoid?

Back

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

Front

What is the difference between a rectangle and a square?

Back

A rectangle is a quadrilateral with opposite sides equal and all angles right angles, while a square is a rectangle with all four sides of equal length.

Front

What type of triangle has two sides of equal length?

Back

An isosceles triangle has two sides of equal length and two angles that are equal.

Front

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

Back

The sum of the interior angles of a triangle is always 180 degrees.

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides and four angles.

Front

What is the definition of an equilateral triangle?

Back

An equilateral triangle is a triangle in which all three sides are of equal length and all three angles are equal, each measuring 60 degrees.