Media > TDT > Reasoning > R_BI_I3_E1_A1_fig1
Quadrilaterals around a point and a tessellation of quadrilaterals.
R_BI_I5_E2_...
R_BI_I4_E2_...
R_BI_I2_fig1
R_BI_I1_fig2
R_BI_I1_fig1
R_BI_I1_E1_...
R_BI_I1_E2_...