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Instructional Video

Khan Academy: Perpendicular Bisectors: Area Circumradius Formula Proof

Curated by ACT

Proof of the formula relating the area of a triangle to its circumradius.

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CCSS: Adaptable
Concepts
circumference, inscribed angle, similar triangles, perpendicular bisectors
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Additional Tags
area triangle, circumradius, triangle circumscribed, khan academy, triangle, circumscribed circle
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Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Resource Type
Instructional Videos
Audiences
For Administrator Use
2 more...
Lexile Measures
0L