Step {{ step }}
Build the Triangle
ads_click Drag sides to outline
Three sides define a rigid shape!
The Included Angle
ads_click Place included angle
The angle must be between the known sides!
{{ s3_phase === 1 ? 'Make ASA' : 'Make AAS' }}
touch_app Tap {{ s3_phase === 1 ? 'included' : 'non-included' }} side
{{ s3_msg }}
Right Triangles
ads_click Drag marks to HL
Hypotenuse
Leg
HL Congruence!
Prove It
touch_app ads_click {{ !s5_shared ? 'Tap the shared side' : 'Drag the theorem' }}
ASA
SSS
SAS
By Side-Side-Side Theorem
workspace_premium
Master Builder!
You've successfully used all 5 theorems to prove triangle congruence without measuring every single part.