Quadrilaterals and Triangles

Classify this triangle.  Make sure list ALL the names.

• Scalene, Acute

• Scalene, Obtuse

• Equilateral, Obtuse

• Equilateral, Acute

Which of the following correctly describes the triangles? Select all that apply.

• Both triangles are isosceles.

• Both triangles are scalene.

• Both triangles have an obtuse angle.

• Both triangles are equilateral.

• Both triangles have two acute angles.

Which statement is true?

• Trapezoids are squares.

• A rhombus is a trapezoid.

• Trapezoids are quadrilaterals.

• Parallelograms are squares.

This shape has two pairs of parallel sides. What type of quadrilateral is it?

• triangle

• quadrilateral

• trapezoid

• parallelogram

Identify the figure below using as many names as possible.

• Quadrilateral

• Square

• Parallelogram

• Rectangle

• Rhombus

What shape has only one pair of opposite sides that are parallel and does NOT have four right angles?

• Square

• Trapezoid

• Rectangle

• Rhombus

Describe triangle ABC in terms of its sides and angles.​ ​ (a)   ​ (b)  

• Scalene

• Right

• Equilateral

• Obtuse

• Isosceles

• Acute

Which figure is described by the model above?

• Scalene Triangle

• Obtuse Triangle

• Isosceles Triangle

• Equilateral Triangle

Draw a polygon that has 4 congruent angles and 4 congruent sides.

Draw a polygon that has 4 congruent angles and opposite congruent sides.