kay4358
01.09.2019 •
Mathematics
Which expression can be used to find the area of a circle with a diameter of 40 cm?
a. 3.14 x 20
b 3.14 x 40
c 3.14 x 20 2
d 3.14 x 40 2
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Ответ:
So the answer is c. 3.14*20*2
Ответ:
Hi!
Assuming the 9in is the radius, we would multiply it by 2, or add it to itself. We then get 18 in.
Hope this helps!