Quadrilaterals and Triangles

Front

What is a quadrilateral?

Back

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

Tags

CCSS.2.G.A.1

Front

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

Back

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

Tags

CCSS.8.G.A.5

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle equal to 90 degrees.

Front

What is an obtuse triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle where all three sides are of different lengths.

Tags

CCSS.4.G.A.2

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Tags

CCSS.4.G.A.2

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with opposite sides equal and all angles equal to 90 degrees.

Tags

CCSS.5.G.B.4

Front

What is a square?

Back

A square is a quadrilateral with all sides equal and all angles equal to 90 degrees.

Tags

CCSS.5.G.B.4

Front

What is a rhombus?

Back

A rhombus is a quadrilateral with all sides equal but angles are not necessarily 90 degrees.

Tags

CCSS.3.G.A.1