Instructional Video

Khan Academy: Geometry: Area of Inscribed Equilateral Triangle (Basic Trig Used)

Curated by ACT

Demonstrates how to find the area of an equilateral triangle inscribed in a circle by applying the area formula for a circle and Heron's formula. Some basic trigonometry (SOHCAHTOA) is also used. [11:38]

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CCSS: Adaptable
Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Audiences
For Administrator Use
2 more...
Lexile Measures
0L
Common Core