Geometric definitions

a two -dimensional closed shape made with three or more line segments

• polygon

• circle

• straight line

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

a quadrilateral with four right angles; opposite sides of are the same length

• rhombus

• right angle

• rectangle

• polygon

Tags

CCSS.5.G.B.4

equilateral triangle

• all three sides the same length

• two sides the same length

• no sides the same length

• is an obtuse angle

Tags

CCSS.4.G.A.2

isosceles triangle

• all sides are equal

• has a right angle

• a triangle with at least 2 sides the same length

Tags

CCSS.4.G.A.2

a triangle that has no sides the same length

• right angle

• scalene

• acute

• obtuse

Tags

CCSS.4.G.A.2

A triangle with 3 acute angles

• scalene

• isosceles

• obtuse

• acute

Tags

CCSS.4.G.A.2

right triangle

• three equal sides

• has a 90° angle

• no sides the same length

Tags

CCSS.4.G.A.2

obtuse triangle

• a triangle that has 3 acute angles

• a triangle that has one obtuse angle

• a triangle with a right angle

• a triangle with three equal sides

Tags

CCSS.4.G.A.2

polygon with exactly 4 sides and four angles

• quadrilateral

• triangle

• octogon

• pentagon

Tags

CCSS.2.G.A.1

a quadrilateral with opposite sides parallel and equal in length

• isosceles triangle

• acute triangle

• parallelogram

• scalene triangle

Tags

CCSS.4.G.A.2