Geometry Vocabulary Test

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

• 270 degrees

• 90 degrees

• 180 degrees

• 360 degrees

What is an isosceles triangle?

• An isosceles triangle is a triangle with all sides of equal length.

• An isosceles triangle is a triangle with two sides of equal length.

• An isosceles triangle is a triangle with no equal sides.

• An isosceles triangle is a triangle with all sides of different lengths.

What is an equilateral triangle?

• A triangle with four sides

• A triangle with no equal sides

• An equilateral triangle is a triangle with all three sides of equal length.

• A triangle with two sides of equal length

What is a right triangle?

• A right triangle is a triangle with all angles measuring 90 degrees.

• A right triangle is a triangle with no right angles.

• A right triangle is a triangle with one angle measuring 90 degrees.

• A right triangle is a triangle with one angle measuring 180 degrees.

What is an acute triangle?

• An acute triangle is a triangle with all three angles equal to 90 degrees.

• An acute triangle is a triangle with one angle equal to 180 degrees.

• An acute triangle is a triangle in which all three angles are less than 90 degrees.

• An acute triangle is a triangle with one angle greater than 90 degrees.

What is an obtuse triangle?

• An obtuse triangle is a triangle with all angles equal to 90 degrees.

• An obtuse triangle is a triangle with all angles less than 90 degrees.

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

• An obtuse triangle is a triangle with one angle that is less than 45 degrees.

What is a polygon?

• A polygon is a closed figure with straight sides.

• A polygon is a type of cloud

• A polygon is a type of fruit

• A polygon is a type of animal

What is a quadrilateral?

• A quadrilateral is a six-sided polygon.

• A quadrilateral is a musical instrument.

• A quadrilateral is a type of fruit.

• A quadrilateral is a four-sided polygon.

What is a regular polygon?

• A regular polygon is a shape with unequal sides and unequal angles.

• A regular polygon is a shape with only equal sides.

• A regular polygon is a shape with equal sides and equal angles.

• A regular polygon is a shape with only equal angles.

A polygon with 3 sides

• Triangle

• Quadrilateral

• Pentagon

• Hexagon