2 Answers

Jared Dunham · Answer 1 · 2021-09-17T21:53:24+0000

Answer:

(9)/(20)miles^2=0.45miles^2

Explanation:

To find the area of a rectangle:

a=l*w

where
is the length and
is the width.

In this case:

length:
l=(9)/(10)miles

width:
w=(1)/(2) miles

thus, we multiply this quantities to find the area:

$a=((9)/(10) miles)((1)/(2)miles )\\\\a=(9*1)/(10*2)miles^2\\ \\a=(9)/(20)miles^2$

the area of this rectangle is 9/20 miles squared, or what is the same 0.45 miles squared

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