Area of obtuse angled triangle

Topic:Area

Area of obtuse angled triangle For an obtuse angled triangle (that is, a triangle with an angle greater than 90°) the perpendicular height may lie outside of the triangle itself.

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bewijs stelling van Pythagoras
Silhouettes
Silhouettes without gaps and isolated
Free fall
Cobb-Douglas Production Function

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Example 1
The Chebyshev Walking Machine
Parallel Lines by Congruent Circle
Turchia-Kai cubo

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Triangles
Tangent Line or Tangent
Cone
Parametric Curves
Confidence Interval