Level 20

Author:Colin Beveridge

Level 20 of http://euclidthegame.org/Level20.html asks you to construct the outer tangent to two given circles (here, a, with centre A; and b, with centre B). Here's how I'd do it.

New Resources

Pythagorean Template: Integer Legs
What Do You See? (2)
Pythagorean Theorem: Quick Illustrator
רישום חופשי
Slope Illustrator (2)

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this is unit 5
geogebra Project
Area Approximations
חלב חמוץ - משימה 3

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Hyperbola
Circle
Root
Piecewise Functions
Conditional Probability