ACHS+Geometry+Arts

=Welcome to Geometry! (Arts)= [|Circles]

[|Online Textbook] Spanish Glossary

Sorry for not updating recently. A good reference website is Math is Fun

=Unit 4= Lesson on trig functions [|sin, cos, tan] (pronounced sine, cosine, tangent)

=Unit 3=

Video for How to solve a proportion (supplemental, not taught) Video for How to use similar polygons to solve for a missing length

=Unit 2=

@Unit 2 Solutions to Review Sheet

Area of geometric shapes Video for Area of Parallelograms Video for Area of Triangles Video for Area of Trapezoid Video for Area of a Regular Polygon

Video for Area of a Sector Video for Area of a Segment Video for Area of an Annulus media type="youtube" key="5LG7zW3WQME?fs=1" height="385" width="640" = = =Unit 1= Parallel lines and pairs of angles Angles in a triangle add to 180 degrees Two sides of a triangle must add to larger than the third side. (also, the largest side is across from the largest angle)

Triangles [|Interactive Triangle] Isosceles Triangle

Polygons (definition, regular vs irregular, convex vs concave, names) Interior Angles of a polygon Exterior Angles of a polygon

Quadrilaterals (trapezoid, kite, parallelogram, and more) Interactive Quadrilateral Examples of solving for angles in quadrilaterals more on Quadrilaterals