Geometry Classification

Which of the following is a property unique to equilateral triangles?

• All angles are equal.

• One angle is 90 degrees.

• Two sides are of equal length.

• One angle is greater than 90 degrees.

A triangle that has two angles of the same measure is known as:

• Scalene triangle

• Isosceles triangle

• Equilateral triangle

• Right triangle

Which of the following quadrilaterals does NOT have all sides of equal length?

• Square

• Rectangle

• Rhombus

• Trapezoid

A triangle with sides measuring 3 cm, 4 cm, and 5 cm is classified as:

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• Right triangle

A quadrilateral with four sides of equal length and no right angles is a:

• Square

• Rectangle

• Rhombus

• Trapezoid

Which of the following triangles has at least two acute angles?

• Right triangle

• Obtuse triangle

• Equilateral triangle

• All of the above

A quadrilateral that has two pairs of adjacent sides equal in length but is not a parallelogram is a:

• Kite

• Square

• Rectangle

• Rhombus

Which of the following is NOT a characteristic of a rectangle?

• All angles are right angles.

• Opposite sides are equal in length.

• All sides are equal in length.

• Diagonals bisect each other.

Identify the quadrilateral that has two pairs of sides of equal length, but not all sides are equal.

• Square

• Rectangle

• Rhombus

• Trapezoid

Which list shows all of the ways this triangle could be classified?

• Acute only

• Equilateral only

• Acute and isosceles only

• Acute, isosceles, and equilateral only