In this Early Edge video lesson, you'll learn more about Triangles: Perimeter and Area, so you can be successful when you take on high-school Math & Geometry.
The Princeton Review
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In this Early Edge video lesson, you'll learn more about Equilateral, Isoceles and Scalene Triangles, so you can be successful when you take on high-school Math & Geometry.
The Princeton Review
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In this Early Edge video lesson, you'll learn more about Types of Angles, so you can be successful when you take on high-school Math & Geometry.
The Princeton Review
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This interactive site defines a triangle’s centroid, gives interesting facts of a centroid and allows users to manipulate a virtual triangle showing the different positions a centroid can have based on a given triangle.
Math Open Reference
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This interactive site defines a circumcenter of a triangle, gives relevant properties of a circumcenter and allows users to manipulate a virtual triangle showing the different positions a circumcenter can have based on a given triangle.
Math Open Reference
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In this Early Edge video lesson, you'll learn more about Triangles, so you can be successful when you take on high-school Math & Geometry.
The Princeton Review
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This website shows an animated demonstration for constructing the orthocenter of a triangle using only a compass and straightedge. It also includes step-by-step written instructions for this process.
Math Open Reference
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This website shows an animated demonstration for constructing the circumcenter of a triangle, and thus the circumcirlce of the triangle, using only a compass and straightedge. It also includes step-by-step written instructions for this process.
Math Open Reference
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This website shows a step-by-step demonstration for constructing the incenter of a triangle using only a compass and straightedge. It also includes step-by-step written instructions for this process.
Math Open Reference
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This interactive site defines a triangle’s orthocenter, explains why an orthocenter may lie outside of a triangle and allows users to manipulate a virtual triangle showing the different positions an orthocenter can have based on a given triangle.
Math Open Reference
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