Geometry Quadrilaterals
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.
Geometry Triangles
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.