Working model - 2 Exterior angle is the sum of interior opposite angle

[@trimurtulubattula480]

I done this project.....It very helpful to children......

[@behappy505]

Thank you

[@Maths24x7ByRKPaliwalSir]

You're welcome

[@ImNINJATEX]

What items are used?

[@Maths24x7ByRKPaliwalSir]

Wooden board, iron pin and protractors

[@ritujha7669]

Should I make this for my maths project in 10th class