GeometryQuadrilateral

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Geometry: Plane Shapes

quadrilateral: any closed, four-sided shape

Geometry: Plane Shapes

parallelogram: any quadrilateral with two pairs of parallel sides.

Geometry: Plane Shapes

rectangle: a parallelogram with four right angles.

Geometry: Plane Shapes

rhombus: a parallelogram with four equal sides.

Geometry: Plane Shapes

square: a parallelogram with four right angles and four equal sides.

Geometry: Plane Shapes

trapezoid: a quadrilateral with only one pair of parallel sides.

Geometry: Plane Shapes

quadrilateral: any closed, four-sided shape

Geometry: Plane Shapes

parallelogram: any quadrilateral with two pairs of parallel sides.

Geometry: Plane Shapes

rectangle: a parallelogram with four right angles.

Geometry: Plane Shapes

rhombus: a parallelogram with four equal sides.

Geometry: Plane Shapes

square: a parallelogram with four right angles and four equal sides.

Geometry: Plane Shapes

trapezoid: a quadrilateral with only one pair of parallel sides.

GeometryTriangles

Geometry: Triangles

equilateral triangle: a triangle with 3 equal sides.

Geometry: Triangles

isosceles triangle: a triangle with 2 equal sides.

Geometry: Triangles

scalene triangle: a triangle with 0 equal sides.

Geometry: Triangles

right triangle: a triangle with 1 right angle.

Geometry: Triangles

obtuse triangle: a triangle with 1 obtuse angle.

Geometry: Triangles

acute triangle: a triangle with 3 acute angle.