Perpendicular Intersections 2

Directions

In the picture Angle ADC and Angle BDC are congruent. What other details do we know about Angle ADC and Angle BDC? What relationship does Line AB and Line DC have?

Novos Materiais

Exploring Number of Squares on the Diagonal of a Rectangle
רישום חופשי
Slopes of Straight Lines
Tanzanian Ngoma - Model 2
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Descobrir recursos

Factors Polynomials
The Gold Rings
Ellipses
สามเหลี่ยมพีทาโกรัส
Pseudo-Regular Hexagonal Tessellation Generator

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Vetores 3D
Ângulos
Moda
Seno
Losango