jakeisadog698
12.12.2019 •
Biology
Which circles have an area of 16pi in2?
choose all answers that are correct.
a. a circle with a radius of 2 in.
b. a circle with a radius of 4 in.
c. a circle with a diameter of 8 in.
d.a circle with a diameter of 16 in.
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Ответ:
Area = (pi) x (16)
r^2 = 16
t = 4
The diameter =d=2r= 2*4 = 8
d=8 inches.
Ответ:
rotation affects the way the “face of the object” is facing and Revolution is when an object circles or revolves around another object. Just like the earth rotates and revolves around the sun.
Explanation: