[計量] 兩題
Q1
The largest circular tabletop that can be cut from a certain square piece
of wood has a circumference of 105πinches
---------A-------------------- ------------B---------------
The length of a side 105π
of the piece of wood
before the tabletop is
cut from it
Q2
A retangular rug covers half of a rectangular floor that is 9 feet wide and
12 feet long. If the dimensions of the rug are in the same ratio as those
of the floor, how many feet long is the rug
a)6
b)12/2
c)2√7
d)6√2
e)4√6
Ans:Q1:A Q2:D
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