Basic Geometrical Ideas

A pair of adjacent sides having C as common vertex

• AC, BC

• DC,EC

• BC, CD

• BC,BC

Vertices opposite to E

• D,F,A

• B,C,D

• A,B,D

• A,B,C

Adjacent angles to ∠D

• ∠B,∠C

• ∠E,∠F

• ∠A,∠B

• ∠E,∠C

Diagonals from the Vertex B

• AB,BC,BD

• BC,BD,BE

• BD,BE,BF

• BE,BF,BA

Opposite sides to CD

• AB,BC,DE

• AB,EF,AF

• AB, EF,BC

• DE,EF,AF

Adjacent sides to side AF

• AB,EF

• AB,DF

• AB,BC

• BC,CD

Opposite angles to ∠C

• A,E,B

• D,E,F

• A,D,F

• A,E,F

Adjacent Vertices to E

• A,F

• B,D

• B,C

• D,F

Side opposite to /T

• RT

• ST

• RS

Angle opposite to ST

• /S

• /T

• /R