Tags » Geometry

Integrate geometry with mysql and spring jpa

  • Maven dependencies
  • Entity annotation
@Column(name = "location", columnDefinition = "POINT")
private Point location;
  • application.properties:
spring.jpa.properties.hibernate.dialect=org.hibernate.spatial.dialect.mysql.MySQL56InnoDBSpatialDialect… 198 more words

Willy's Lemma

Lemma : If be four acute angles such that and then and .

It can be proved using simple trigonometric argument using the equation that : , and then desired result follows from the injectivity of the cosine function on . 

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Two YouTube Videos

This is the introduction for the first video:

This is the introduction for the second video:


Concept Quiz: Area of Composite Figures

Learning Goal: Assess conceptual understanding and procedural fluency for area of composite figures.


Finished Early?


Kaleidoscope #247

When people say impossible, they usually mean improbable.
― Leigh Bardugo, Siege and Storm

Below is the original photo used to create this image. This is a royalty-free image from…

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Area of Composite Figures (Day 4)

Learning Goal: Work on uncovered misconceptions from last class and apply understanding of composite figures to an inquiry-based task.