If the area of a circle is numerically equal to twice its circumference, then
diameter of the circle is
(a) 4 units
(b) pi units
(c) 8 units
(d) 2 units
Answers
Answered by
9
Answer:
a) 4 units
Step-by-step explanation:
πr^2=2πr
πr is cancelled out
r=2
then d=2r
d=2×2
d=4units
Answered by
7
Answer:
(a)4 units
Step-by-step explanation:
area of circle= 2circumference
πr^2=2(2πr)
πr^2/ 2πr =2
r/2=2
r=2(2)
r=4
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