Lesson 9.2: Area of a Rhombus

Topic:Area, Geometry, Parallelogram, Rhombus

Take a few minutes to interact with the GeoGebra applet below. Use it to answer the Part II questions in the INM for lesson 9.2. Note: The pink slider controls the size of the angle with pink vertex.

Quick (Silent) Demo

New Resources

Building Algebra Tile Models for Trinomials
Segment Addition Postulate (Mild Questions)
Midpoint Theorem Questions: Mild
Calculating Arc Length, Radius, and Central Angle
Mandelbrot 2

Discover Resources

Straight Lines in a Triangle
Example 4
graphy thingy
Exploding Dot 1 <- 3 Machine
Teorema Pythagoras 11 (drag n drop)

Discover Topics

Confidence Interval
Polygons
Percentages
Circumcircle or Circumscribed Circle
Right Triangles