Part 1 Polygons

Triangles A triangle is a polygon with 3 sides. VERTEX SIDE A=1/2bh or A=bh/2 A=1/2bh or A=bh/2

Quadrilateral A polygon with equal length of sides. A=1/2bh or A=bh/2

Pentagon VERTEX A pentagon is a polygon with 5 sides. SIDE SIDE

Hexagon A hexagon is a polygon with 6 sides. VERTEX SIDE VERTEX

Heptagon A heptagon is a polygon with 7 sides.

Octagon An octagon is a polygon with 8 sides.

Nonagon A nonagon is a polygon with 9 sides.

Decagon A decagon is a polygon with 10 sides.

Part 2 Quadrilaterals

Rectangle A rectangle is a parallelogram with 4 right angles A=bh A=bh

Square A square is a rectangle with 4 right angles and 4 sides of equal length. A=bh

Trapezoid A trapezoid is a quadrilateral with exactly one pair of parallel sides. parallel A=(b1+b2)h/2 parallel A=(b1+b2)h/2

Parallelogram A parallelogram is a quadrilateral with opposite sides parallel. parallel parallel A=bh parallel parallel A=bh

3D Figures

Pyramid A space figure whose base is a polygon and whose other faces are triangles that share a common vertex.

Cone A solid that has a circular base, a vertex, and a lateral surface.

Cylinder A solid figure with congruent circular bases that lie in parallel planes.

Rectangular Prism A prism whose bases are rectangles.

Sphere A sphere is a 3D figure that has no vertices, edges, or parallel lines.

Cube A rectangular prism whose six faces are congruent shapes.

THE END