Area of a Ring (Annulus)
You'll learn to calculate the area of a ring (annulus).
Area of a Triangle
You'll practice using the formula for the area of a triangle to calculate the area, base, or height of a triangle.
Area of a Triangle: Heron's Formula
You'll calculate the area of a triangle when given only the lengths of its sides.
Area of an Irregular Polygon
You'll practice calculating the area of an irregular polygon.
Area of Sectors
Find the area of each sector.
Basic Angle Terminology and Facts
You'll be introduced to terminology associated with angles and be able to demonstrate knowledge about angles.
Circles: Arc Length
You'll practice finding the arc length, radius, or central angle of a circle when given the other two measurements.
Circles: Areas of Sectors and Segments
You'll practice calculating areas of sectors and segments of circles.
Circles: Basic Terminology
You'll define terms related to circles.
Circles: Finding Length of Material Needed to Create Shapes
You'll practice calculating the length of material needed to create shapes.