CAPS Senior Phase | Grade 7–9 Geometry

Dynamic Interactive Geometry Lab

Drag points, animate sweeps, and inspect $X/Y$ axes to uncover invariant geometric rules.

Angle: 60° | Bisected: 30° & 30°
60°

Stage 2: Adaptive Mastery Check

Question: An angle bisector ray splits an angle on the $X/Y$ plane into two $35^\circ$ sub-angles. What was the measure of the original full angle?

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