Classifying Shapes

Front

What is a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Front

What are the types of triangles based on angles?

Back

1. Acute Triangle: All angles are less than 90 degrees. 2. Right Triangle: One angle is exactly 90 degrees. 3. Obtuse Triangle: One angle is greater than 90 degrees.

Front

What is an acute triangle?

Back

An acute triangle is a triangle with all three angles measuring less than 90 degrees.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring exactly 90 degrees.

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle measuring greater than 90 degrees.

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four edges (sides) and four vertices (corners).

Front

What is a parallelogram?

Back

A parallelogram is a quadrilateral with both pairs of opposite sides parallel and equal in length.

Front

What are the properties of a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Front

What are the properties of a square?

Back

A square is a rectangle with all four sides of equal length.

Front

What is a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments.