5th grade Geometry Vocabulary

A 2D closed shape made of straight lines.

• shape

• polygon

• cube

• circle

Congruent means....

• same size and same shape

• side by side and having the same distance

• next to or having a common side

• none of these

Select all of the regular polygons.

• circle

• square

• acute equilateral triangle

• rectangle

Select all of the irregular polygons.

• rectangle

• scalene triangle

• square

• trapezoid

Select all the figures with at least one set of parallel sides.

• parallelogram

• trapezoid

• rectangle

• square

Select all the names for this triangle.

• equilateral triangle

• right triangle

• acute triangle

• obtuse triangle

Select all the names for this triangle.

• acute triangle

• right triangle

• scalene triangle

• isosceles triangle

Select all the names for this triangle.

• isosceles triangle

• scalene triangle

• equilateral triangle

• obtuse triangle

Select all the names for this triangle.

• acute triangle

• obtuse triangle

• equilateral triangle

• scalene triangle

Name this shape.

• rectangle

• pentagon

• triangle

• rectangular prism