More Free Resources to Help You Teach your Geometry Lesson on Perimeter, Circumference, and Area can be found here:
*** https://geometrycoach.com/perimeter-circumference-and-area/
If you are looking for more great lesson ideas sign up for our FREEBIES at:
Pre Algebra: https://prealgebracoach.com/unit
Algebra 1: https://algebra1coach.com/unit
Geometry: https://geometrycoach.com/optin
Algebra 2 with Trigonometry: https://algebra2coach.com/unit
8. Perimeter, Circumference, and Area
• The area of a triangle is half of the product of its
base length and its height.
Area =
/
.
× base length × height
• The area of a circle is given by:
Area = 𝛑𝐫 𝟐
Where r = radius of the circle
base length
height
Triangle
r
Circle