Geometry and Measurement Vocabulary

An acute angle is...

• Less than 90 degrees

• Greater than 90 degrees

• Equal to 90 degrees

What type of angle is greater than 90 degrees?

• Acute

• Right

• Obtuse

Triangle with at least two congruent sides

• scalene triangle

• isosceles triangle

• equilateral triangle

Triangle with the same side lengths

• Scalene

• Equilateral

• Isosceles

What type of angle is equal to 90 degrees?

• left angle

• middle angle

• right angle

A quadrilateral with two sets of parallel and congruent sides​

• parallelogram
• triangle
• pentagon
• hexagon

A parallelogram with all four sides equal length​

A quadrilateral with all four sides equal length and four right angles

A parallelogram with two sets of parallel and congruent sides and four right angles

• trapezoid

• triangle

• rectangle

• square

A quadrilateral with one set of parallel sides

• square

• paralleogram

• trapezoid