1-1/2 x 5-1/2
It will vary a bit depending on age of the building. Old rough sawn are 2x12, new ones are 1 1/2 by 11 1/2 with 1/8 inch variation either way on the width.
draw 2 circles the same size
No. Two twin size mattress will fit a king size bed frame.
Normally 2"
It is a parallelogram.
3/4" x 2 1/2"
A 2x4 is actually 1 1/2" by 3 1/2".
3/4 x 1 1/2"
3/4 x 3 1/2
Different species of butterflies range in size from about 1/2 inch to 12 inches.
a "2x6" board is actually 1 1/2" x5 1/2"
When it is cut from the tree it starts out 2 x 4". During the drying and planing process its size is reduced.
3 x 6 feet
144
yeah, this is a horrible text book! the best answer i found has to do with the materials, like lumber... the normal size is 2x4 when in reality it measures at 1-1/2 x 3-1/2 (which is the actual size). thats what im putting on my homework so we'll see!
If you want a translation into length, then 2.39 feet
Example: 2* magnifacaition makes the focused area twice as large as the actual size.