You will need to consider the siding and roofing materials you would like to use to finish this space. And you might weigh the quality of exterior materials against their visibility. Also in the cost of the addition, be careful to factor in the permits needed and the work needed to prepare the foundation.
Envelope size - 4-3/8 x 5-3/4. Card paper size - 5-1/2 x 8-1/2 (half a letter sized sheet). Finished card size - 4-1/4 x 5-1/2. A4: Envelope size - 4-3/4 x 6-1/4. Card Paper Size 8 x 12-1/4. Card finished size - 4-1/2 x 6-1/8.
Relevance. Rating Newest Oldest. Best Answer: an A3 piece of paper has a width of 29.7 cm and a height of 42 cm. It's as big as two A4 sheets placed side by side (just like the A2 is as big as two A3 sheets place side by side and so on...), since a A4 piece of paper has a width of 21 cm and a height of 29.7 cm.Source(s): http://en.wikipedia.org/wiki/Paper_size. crazy_ralook Â· 10 years ago. Thumbs up. 5.elevance. Rating Newest Oldest. Best Answer: an A3 piece of paper has a width of 29.7 cm and a height of 42 cm. It's as big as two A4 sheets placed side by side (just like the A2 is as big as two A3 sheets place side by side and so on...), since a A4 piece of paper has a width of 21 cm and a height of 29.7 cm.