Partial Envelopments (Leaving Cert DCG): Flashcards

Label/sticker wrapped around 3D solid

Unwrapping label to show true flat shape

$C = 2\pi R$

180mm (using $2\pi \times 28.6$)

Straight lines from apex to base circle

Sector of a circle

Front elevation, end elevation, plan view

Shape of underlying solid (surface geometry)

Must align properly with prism faces

Draw complete orthographic projections of solid