2(lh+bh+lb) formula is used for a cuboid for its perimeter and here they are referring to Tarpaulin which is a kind of Cuboid that's why that formula is used.
Hope this information clears your doubt. Regards, Priya Agrawal.
2
Peony Roy answered this
Dear Student,
2(lh+bh+lb) formula is used for a cuboid for its perimeter and here they are referring to Tarpaulin which is a kind of Cuboid that's why that formula is used.
Hope you find your answer to this information,
regards,
Peony Roy.